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Lot 131

AN EMERALD THREE STONE RING in 18ct yellow gold, s ...

AN EMERALD THREE STONE RING in 18ct yellow gold, set with three octagonal step cut emeralds all totalling 1.3-1.4 carats, full British hallmarks for Birmingham 1933, size M1/2 / 6.5, 3.2g. 
AN EMERALD THREE STONE RING in 18ct yellow gold, set with three octagonal step cut emeralds all totalling 1.3-1.4 carats, full British hallmarks for Birmingham 1933, size M1/2 / 6.5, 3.2g. 

Click to enlarge image

AN EMERALD THREE STONE RING in 18ct yellow gold, set with three octagonal step cut emeralds all totalling 1.3-1.4 carats, full British hallmarks for Birmingham 1933, size M1/2 / 6.5, 3.2g. 
AN EMERALD THREE STONE RING in 18ct yellow gold, set with three octagonal step cut emeralds all totalling 1.3-1.4 carats, full British hallmarks for Birmingham 1933, size M1/2 / 6.5, 3.2g. 

Lot 131

AN EMERALD THREE STONE RING in 18ct yellow gold, s ...

Estimate £1,200 - £1,600

Description

AN EMERALD THREE STONE RING in 18ct yellow gold, set with three octagonal step cut emeralds all totalling 1.3-1.4 carats, full British hallmarks for Birmingham 1933, size M1/2 / 6.5, 3.2g. 

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Estimated Shipping Costs


General delivery information available from the auctioneer

We are pleased to offer a comprehensive shipping service, in which all items are sent insured to their full value. Our shipping costs are as follows:

(i) Domestic UK packages are charged according to the below pricing bands, dependent on the invoice amount:

Band A - £1 - £2,500. Cost is £20.00
Band A - £2,501 - £4,000. Cost is £30.00
Band B - £4,001 - £6,000 Cost is £40.00
Band C- £6,001 - £8,000 Cost is £50.00
Band D - £8,001 - £10,000 Cost is £60.00
Band E - £10,001 - £15,000 Cost is £70.00
Band F - £15,001 and above Cost is £80.00

International Packages are charged as follows:

i) Up to £250 in value charged at £30.00 per package;
ii) In excess of £250 in value charged at £40.00 per package plus insurance at a rate of 1% of the total purchase price.

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LOT 2

A FINE SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 5.32 carats accented by trios of round brilliant cut diamonds in either shoulder, the diamonds all totalling 0.8-1.0 carats, stamped 18K, size N / 6.75, 7.1g.

A FINE SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 5.32 carats accented by trios of round brilliant cut diamonds in either shoulder, the diamonds all totalling 0.8-1.0 carats, stamped 18K, size N / 6.75, 7.1g.

Estimate £6,000 - £8,000

LOT 5

DAVID WEBB, A VINTAGE DIAMOND BAND RING in 18ct yellow gold and platinum, the band accented by geometric segments set with round brilliant cut diamonds, signed Webb, stamped PLAT 18K, size I1/2 / 4.5, 13.0g. 

DAVID WEBB, A VINTAGE DIAMOND BAND RING in 18ct yellow gold and platinum, the band accented by geometric segments set with round brilliant cut diamonds, signed Webb, stamped PLAT 18K, size I1/2 / 4.5, 13.0g. 

Estimate £5,000 - £7,000

LOT 8

A FINE AQUAMARINE AND DIAMOND RING set with a large octagonal step cut aquamarine of 42.59 carats, the openwork mount in foliate design, accented by round brilliant cut diamonds, stamped 750 PLAT, size M / 6.25, 21.9g. 

A FINE AQUAMARINE AND DIAMOND RING set with a large octagonal step cut aquamarine of 42.59 carats, the openwork mount in foliate design, accented by round brilliant cut diamonds, stamped 750 PLAT, size M / 6.25, 21.9g. 

Estimate £5,000 - £7,000

LOT 10

A FINE PERIDOT AND DIAMOND DRESS RING set with a cushion cut peridot of 9.45 carats in a two-row border pave set with round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, the diamonds all totalling 2.4-2.6 carats, stamped

A FINE PERIDOT AND DIAMOND DRESS RING set with a cushion cut peridot of 9.45 carats in a two-row border pave set with round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, the diamonds all totalling 2.4-2.6 carats, stamped

Estimate £3,000 - £5,000

LOT 16

A VINTAGE EMERALD AND DIAMOND DRESS RING set with an octagonal step cut emerald of approximately 5.96 carats in a border of old cut diamonds, no assay marks, size Q / 8.25, 5.9g. 

A VINTAGE EMERALD AND DIAMOND DRESS RING set with an octagonal step cut emerald of approximately 5.96 carats in a border of old cut diamonds, no assay marks, size Q / 8.25, 5.9g. 

Estimate £2,000 - £3,000

LOT 20

A VINTAGE SAPPHIRE AND DIAMOND GYPSY RING in 18ct yellow gold, set with a round cut sapphire of approximately 1.02 carats, between two round brilliant cut diamonds, the band with a satin finish, stamped 18K, size L / 5.75, 8.2g.

A VINTAGE SAPPHIRE AND DIAMOND GYPSY RING in 18ct yellow gold, set with a round cut sapphire of approximately 1.02 carats, between two round brilliant cut diamonds, the band with a satin finish, stamped 18K, size L / 5.75, 8.2g.

Estimate £1,500 - £2,500

LOT 21

KUTCHINSKY, A VINTAGE GREEN ENAMEL BELT RING, 1968 in 18ct yellow gold, designed a belt relieved in green enamel, signed Kutchinsky, full British hallmarks for London 1968, size K1/2 / 5.5, 10.4g. 

KUTCHINSKY, A VINTAGE GREEN ENAMEL BELT RING, 1968 in 18ct yellow gold, designed a belt relieved in green enamel, signed Kutchinsky, full British hallmarks for London 1968, size K1/2 / 5.5, 10.4g. 

Estimate £1,000 - £1,500

LOT 24

CHARLES DE TEMPLE, A VINTAGE MODERNIST GOLD RING, 1967 in 18ct yellow and white gold, the band in abstract design, signed C de T, full British hallmarks for London 1967, size N / 6.75, 6.5g. 

CHARLES DE TEMPLE, A VINTAGE MODERNIST GOLD RING, 1967 in 18ct yellow and white gold, the band in abstract design, signed C de T, full British hallmarks for London 1967, size N / 6.75, 6.5g. 

Estimate £1,500 - £2,500

LOT 27

A VINTAGE CEYLON SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut sapphire of approximately 2.49 carats in a cluster of round brilliant cut diamonds, the diamonds totalling 1.7-2.0 carats, full British hallmarks for Birmi

A VINTAGE CEYLON SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut sapphire of approximately 2.49 carats in a cluster of round brilliant cut diamonds, the diamonds totalling 1.7-2.0 carats, full British hallmarks for Birmi

Estimate £3,000 - £5,000

LOT 28

ALAN MARTIN GARD, A VINTAGE MODERNIST TOPAZ RING, 1975 in 18ct yellow gold, the geometric face set with a round cut topaz, AMG maker's mark, full British hallmarks for London 1975, size O1/2 / 7.5, 6.1g.

ALAN MARTIN GARD, A VINTAGE MODERNIST TOPAZ RING, 1975 in 18ct yellow gold, the geometric face set with a round cut topaz, AMG maker's mark, full British hallmarks for London 1975, size O1/2 / 7.5, 6.1g.

Estimate £1,000 - £1,500

LOT 30

A FINE UNHEATED RUBY AND DIAMOND THREE STONE RING in 18ct white gold, set with a cushion cut ruby of 1.16 carats between two round brilliant cut diamonds, partial British hallmarks, size M / 6.25, 3.7g.

A FINE UNHEATED RUBY AND DIAMOND THREE STONE RING in 18ct white gold, set with a cushion cut ruby of 1.16 carats between two round brilliant cut diamonds, partial British hallmarks, size M / 6.25, 3.7g.

Estimate £1,500 - £2,500

LOT 32

ANDREW GRIMA, A VINTAGE MODERNIST GOLD BAND RING, 1967 in 18ct yellow gold, the band in alligator / crocodile skin design, signed Grima, full British hallmarks for London 1967, size M1/2 / 6.5, 8.4g

ANDREW GRIMA, A VINTAGE MODERNIST GOLD BAND RING, 1967 in 18ct yellow gold, the band in alligator / crocodile skin design, signed Grima, full British hallmarks for London 1967, size M1/2 / 6.5, 8.4g

Estimate £1,000 - £1,500

LOT 34

A COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 1.00 carat in a border of round brilliant cut diamonds, the band set with further diamonds, no assay marks, size N / 6.75, 4.0g. 

A COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 1.00 carat in a border of round brilliant cut diamonds, the band set with further diamonds, no assay marks, size N / 6.75, 4.0g. 

Estimate £1,500 - £2,500

LOT 36

A PINK TOURMALINE AND DIAMOND RING set with a cushion cut pink tourmaline of 2.20 carats, the band set with round brilliant cut diamonds all totalling 0.4-0.5 carats, stamped 18K, size M1/2 / 6.5, 4.0g. 

A PINK TOURMALINE AND DIAMOND RING set with a cushion cut pink tourmaline of 2.20 carats, the band set with round brilliant cut diamonds all totalling 0.4-0.5 carats, stamped 18K, size M1/2 / 6.5, 4.0g. 

Estimate £1,200 - £1,600

LOT 38

A RARE ANTIQUE GEORGIAN DIAMOND LOCKET RING, EARLY 19TH CENTURY in yellow gold and silver, the face of the ring with a glass covered locket panel in a border of old cut diamonds, the reverse inscribed 'Joanna Gibbs Ob 25 Nov 1823 A 46', no assay mark

A RARE ANTIQUE GEORGIAN DIAMOND LOCKET RING, EARLY 19TH CENTURY in yellow gold and silver, the face of the ring with a glass covered locket panel in a border of old cut diamonds, the reverse inscribed 'Joanna Gibbs Ob 25 Nov 1823 A 46', no assay mark

Estimate £1,000 - £1,500

LOT 42

A DIAMOND, COLOURED DIAMOND, RUBY AND SAPPHIRE GIARDINETTO RING set with a fancy cut white diamond accented by a spray comprising a marquise cut ruby, round brilliant cut diamonds, marquise cut yellow diamond, marquise cut green and blue sapphire and

A DIAMOND, COLOURED DIAMOND, RUBY AND SAPPHIRE GIARDINETTO RING set with a fancy cut white diamond accented by a spray comprising a marquise cut ruby, round brilliant cut diamonds, marquise cut yellow diamond, marquise cut green and blue sapphire and

Estimate £2,500 - £3,500

LOT 44

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of approximately 1.12 carats between two baguette cut diamonds, stamped 750, size I / 4.25, 3.3g.

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of approximately 1.12 carats between two baguette cut diamonds, stamped 750, size I / 4.25, 3.3g.

Estimate £250 - £350

LOT 46

A TSAVORITE GARNET AND DIAMOND THREE STONE RING in 18ct yellow and white gold, set with a cushion cut tsavorite garnet of approximately 1.48 carats, accented on each side by a round brilliant cut diamond, the diamonds totalling 0.8-0.9 carats, full B

A TSAVORITE GARNET AND DIAMOND THREE STONE RING in 18ct yellow and white gold, set with a cushion cut tsavorite garnet of approximately 1.48 carats, accented on each side by a round brilliant cut diamond, the diamonds totalling 0.8-0.9 carats, full B

Estimate £2,000 - £3,000

LOT 50

A RUBELLITE TOURMALINE AND DIAMOND RING set with a cushion cut rubellite tourmaline of 11.72 carats in border of round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, stamped 18K, size N1/2 / 7, 9.1g. 

A RUBELLITE TOURMALINE AND DIAMOND RING set with a cushion cut rubellite tourmaline of 11.72 carats in border of round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, stamped 18K, size N1/2 / 7, 9.1g. 

Estimate £4,000 - £6,000

LOT 53

A RUBY AND DIAMOND DRESS RING set with a cushion cut ruby within a tapering row of calibre cut rubies, accented by rows of round brilliant cut diamonds, stamped PLAT, size M1/2 / 6.5, 6.1g. 

A RUBY AND DIAMOND DRESS RING set with a cushion cut ruby within a tapering row of calibre cut rubies, accented by rows of round brilliant cut diamonds, stamped PLAT, size M1/2 / 6.5, 6.1g. 

Estimate £2,000 - £3,000

LOT 56

A SAPPHIRE AND DIAMOND BOMBE RING set with a round cut sapphire in a halo of round brilliant cut diamonds and half moon cut sapphires, accented by pave set round brilliant cut diamonds, no assay marks, size J1/2 / 5, 15.3g. 

A SAPPHIRE AND DIAMOND BOMBE RING set with a round cut sapphire in a halo of round brilliant cut diamonds and half moon cut sapphires, accented by pave set round brilliant cut diamonds, no assay marks, size J1/2 / 5, 15.3g. 

Estimate £3,000 - £5,000

LOT 60

A FINE EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 6.83 carats in a border of alternating round brilliant and emerald cut diamonds, the shoulders set with trios of round brilliant cut diamonds, the diamonds all totalling 2.2-2.

A FINE EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 6.83 carats in a border of alternating round brilliant and emerald cut diamonds, the shoulders set with trios of round brilliant cut diamonds, the diamonds all totalling 2.2-2.

Estimate £12,000 - £18,000

LOT 62

LALAOUNIS, AN AMETHYST RAM'S HORNS RING designed as ram's horns, accented by a cabochon amethyst, signed Lalaounis, stamped K18, size N1/2 / 7, 6.2g. 

LALAOUNIS, AN AMETHYST RAM'S HORNS RING designed as ram's horns, accented by a cabochon amethyst, signed Lalaounis, stamped K18, size N1/2 / 7, 6.2g. 

Estimate £300 - £500

LOT 66

A VINTAGE RUBY AND SAPPHIRE CROSSOVER GYPSY RING in 18ct and 14ct yellow gold, set with a round cabochon sapphire and a round cabochon ruby, the band with a satin finish, stamped 18K 14K, size L / 5.75, 11.1g. 

A VINTAGE RUBY AND SAPPHIRE CROSSOVER GYPSY RING in 18ct and 14ct yellow gold, set with a round cabochon sapphire and a round cabochon ruby, the band with a satin finish, stamped 18K 14K, size L / 5.75, 11.1g. 

Estimate £600 - £800

LOT 69

NO RESERVE - A DIAMOND HALF ETERNITY RING in 18ct yellow gold, half set with a row of round brilliant cut diamonds, full British hallmarks for Sheffield 2003, size Q / 8.25, 3.2g. 

NO RESERVE - A DIAMOND HALF ETERNITY RING in 18ct yellow gold, half set with a row of round brilliant cut diamonds, full British hallmarks for Sheffield 2003, size Q / 8.25, 3.2g. 

Estimate £150 - £250

LOT 71

A SPESSARTINE GARNET AND DIAMOND RING set with a fancy cut spessartine garnet surrounded by a cluster of round and baguette cut diamonds, the shoulders accented with further round cut diamonds, stamped 18K, size N / 7, 2.9g. 

A SPESSARTINE GARNET AND DIAMOND RING set with a fancy cut spessartine garnet surrounded by a cluster of round and baguette cut diamonds, the shoulders accented with further round cut diamonds, stamped 18K, size N / 7, 2.9g. 

Estimate £500 - £700

LOT 74

A VINTAGE RUBY AND DIAMOND RING, 1950S in platinum, of circular bombe design, set with round cut rubies totalling 1.8-2.2 carats and round cut diamonds totalling 1.2-1.5 carats, no assay marks, size L / 5.75, 7.4g.

A VINTAGE RUBY AND DIAMOND RING, 1950S in platinum, of circular bombe design, set with round cut rubies totalling 1.8-2.2 carats and round cut diamonds totalling 1.2-1.5 carats, no assay marks, size L / 5.75, 7.4g.

Estimate £2,000 - £3,000

LOT 78

A FOUR STONE DIAMOND RING in platinum, set with four round brilliant cut diamonds, the diamonds totalling 1.1-1.2 carats, partial British hallmarks, size N1/2 / 7, 4.4g. 

A FOUR STONE DIAMOND RING in platinum, set with four round brilliant cut diamonds, the diamonds totalling 1.1-1.2 carats, partial British hallmarks, size N1/2 / 7, 4.4g. 

Estimate £1,000 - £1,500

LOT 82

NO RESERVE - A SYNTHETIC RUBY AND DIAMOND RING set with a round cut synthetic ruby, accented on each side by trios of round cut diamonds, stamped 18C, size K / 5.25, 3.8g. 

NO RESERVE - A SYNTHETIC RUBY AND DIAMOND RING set with a round cut synthetic ruby, accented on each side by trios of round cut diamonds, stamped 18C, size K / 5.25, 3.8g. 

Estimate £250 - £350

LOT 85

AN ANTIQUE GARNET RING in yellow gold, set with an octagonal step cut garnet, no assay marks, size N1/2 / 7, 4.0g. 

AN ANTIQUE GARNET RING in yellow gold, set with an octagonal step cut garnet, no assay marks, size N1/2 / 7, 4.0g. 

Estimate £1,000 - £1,500

LOT 87

A RUBY AND DIAMOND CLUSTER RING set with a cushion cut ruby of approximately 0.96 carats in a cluster of round brilliant cut diamonds, the scrolling band set with further round cut diamonds, no assay marks, size M / 6.25, 6.7g. 

A RUBY AND DIAMOND CLUSTER RING set with a cushion cut ruby of approximately 0.96 carats in a cluster of round brilliant cut diamonds, the scrolling band set with further round cut diamonds, no assay marks, size M / 6.25, 6.7g. 

Estimate £1,500 - £2,500

LOT 90

AN EXCEPTIONAL FIRE OPAL AND DIAMOND CLUSTER RING in platinum, set with an oval cabochon fire opal of approximately 21.10 carats, in a cluster of round brilliant and pear cut diamonds, the diamonds all totalling 2.6-2.8 carats, stamped Pt900, size L1

AN EXCEPTIONAL FIRE OPAL AND DIAMOND CLUSTER RING in platinum, set with an oval cabochon fire opal of approximately 21.10 carats, in a cluster of round brilliant and pear cut diamonds, the diamonds all totalling 2.6-2.8 carats, stamped Pt900, size L1

Estimate £5,000 - £7,000

LOT 93

A PERIDOT AND DIAMOND NAVETTE RING in 18ct yellow gold and white gold, set with a marquise cut peridot of 2.28 carats in a border of round brilliant cut diamonds, the diamonds all totalling 0.26 carats, partial British hallmarks, size N1/2 / 7, 6.0g.

A PERIDOT AND DIAMOND NAVETTE RING in 18ct yellow gold and white gold, set with a marquise cut peridot of 2.28 carats in a border of round brilliant cut diamonds, the diamonds all totalling 0.26 carats, partial British hallmarks, size N1/2 / 7, 6.0g.

Estimate £600 - £800

LOT 96

A RECONSTITUTED TURQUOISE AND DIAMOND HEART RING set with a heart shaped cabochon reconstituted turquoise, the shoulders set with a row of round cut diamonds, stamped 18K, size N / 7, 3.5g. 

A RECONSTITUTED TURQUOISE AND DIAMOND HEART RING set with a heart shaped cabochon reconstituted turquoise, the shoulders set with a row of round cut diamonds, stamped 18K, size N / 7, 3.5g. 

Estimate £500 - £700

LOT 100

A COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of approximately 6.83 carats, accented by round brilliant and baguette cut diamonds, stamped 18K, size L / 5.75, 7.4g. With a gemmological verbal assessment stating that the

A COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of approximately 6.83 carats, accented by round brilliant and baguette cut diamonds, stamped 18K, size L / 5.75, 7.4g. With a gemmological verbal assessment stating that the

Estimate £3,000 - £5,000

LOT 102

A DIAMOND SOLITAIRE RING set with a princess cut diamond of 0.25 carats, inscribed 0.25, stamped 9K, size X / 11.5, 2.9g. 

A DIAMOND SOLITAIRE RING set with a princess cut diamond of 0.25 carats, inscribed 0.25, stamped 9K, size X / 11.5, 2.9g. 

Estimate £200 - £300

LOT 105

A COLOMBIAN EMERALD AND DIAMOND RING set with a pear cut emerald of 3.15 carats in a border of round brilliant cut diamonds, stamped 18K, size O1/2 / 7.5, 5.4g. 

A COLOMBIAN EMERALD AND DIAMOND RING set with a pear cut emerald of 3.15 carats in a border of round brilliant cut diamonds, stamped 18K, size O1/2 / 7.5, 5.4g. 

Estimate £2,000 - £3,000

LOT 107

HENNELL, A DIAMOND COMMITMENT RING in 18ct yellow gold, the open band ring set to one end with a round brilliant cut diamond, signed HBS, London import mark, size J / 4.75, 5.6g. 

HENNELL, A DIAMOND COMMITMENT RING in 18ct yellow gold, the open band ring set to one end with a round brilliant cut diamond, signed HBS, London import mark, size J / 4.75, 5.6g. 

Estimate £300 - £500

LOT 110

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of approximately 3.10 carats, between two tapered baguette cut diamonds, stamped 750, size J / 4.75, 4.8g. 

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of approximately 3.10 carats, between two tapered baguette cut diamonds, stamped 750, size J / 4.75, 4.8g. 

Estimate £500 - £700

LOT 112

A SAPPHIRE AND DIAMOND THREE STONE RING set with an octagonal step cut sapphire of approximately 1.22 carats, accented on each side by a round brilliant cut diamond, no assay marks, size L1/2 / 6, 4.1g. 

A SAPPHIRE AND DIAMOND THREE STONE RING set with an octagonal step cut sapphire of approximately 1.22 carats, accented on each side by a round brilliant cut diamond, no assay marks, size L1/2 / 6, 4.1g. 

Estimate £2,000 - £3,000

LOT 115

A SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut sapphire of approximately 1.10 carats between two trillion cut diamonds, stamped 18K, size M / 6.25, 3.4g. 

A SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut sapphire of approximately 1.10 carats between two trillion cut diamonds, stamped 18K, size M / 6.25, 3.4g. 

Estimate £1,500 - £2,500

LOT 117

AN EMERALD FIVE STONE RING in yellow gold, comprising a row of five cushion cut emeralds, the emeralds totalling 1.1-1.3 carats, no assay marks, size L1/2 / 6, 2.8g. 

AN EMERALD FIVE STONE RING in yellow gold, comprising a row of five cushion cut emeralds, the emeralds totalling 1.1-1.3 carats, no assay marks, size L1/2 / 6, 2.8g. 

Estimate £2,000 - £3,000

LOT 120

A RUBY AND DIAMOND RING set with a marquise cut ruby of approximately 2.15 carats in a cluster of marquise and pear cut diamonds, the diamonds all totalling 1.6-1.8 carats, stamped 18K, size L1/2 / 6, 8.5g. 

A RUBY AND DIAMOND RING set with a marquise cut ruby of approximately 2.15 carats in a cluster of marquise and pear cut diamonds, the diamonds all totalling 1.6-1.8 carats, stamped 18K, size L1/2 / 6, 8.5g. 

Estimate £5,000 - £7,000

LOT 121

A RECONSTITUTED TURQUOISE FULL ETERNITY RING set all around with a row of cabochon reconstituted turquoise, no assay marks, size O / 7.25, 4.0g. 

A RECONSTITUTED TURQUOISE FULL ETERNITY RING set all around with a row of cabochon reconstituted turquoise, no assay marks, size O / 7.25, 4.0g. 

Estimate £500 - £700

LOT 124

A RUBY AND DIAMOND FIVE STONE RING set with a row of cushion and round cut rubies and round brilliant cut diamonds, accented by round cut diamonds, the rubies totalling 1.8-2.0 carats, the diamonds totalling 0.7-0.8 carats, no assay marks, size O / 7

A RUBY AND DIAMOND FIVE STONE RING set with a row of cushion and round cut rubies and round brilliant cut diamonds, accented by round cut diamonds, the rubies totalling 1.8-2.0 carats, the diamonds totalling 0.7-0.8 carats, no assay marks, size O / 7

Estimate £1,500 - £2,500

LOT 126

A PINK TOURMALINE AND DIAMOND CLUSTER RING set with a cushion cut pink tourmaline of approximately 6.71 carats in a cluster of round brilliant cut diamonds, no assay marks, size N / 6.75, 9.3g. 

A PINK TOURMALINE AND DIAMOND CLUSTER RING set with a cushion cut pink tourmaline of approximately 6.71 carats in a cluster of round brilliant cut diamonds, no assay marks, size N / 6.75, 9.3g. 

Estimate £1,000 - £1,500

LOT 134

A PINK TOURMALINE AND YELLOW DIAMOND RING set with an octagonal step cut pink tourmaline of 7.49 carats in a cluster of oval cut yellow diamonds, the diamonds all totalling 1.1-1.3 carats, stamped 18K, size M / 6.25, 7.5g. 

A PINK TOURMALINE AND YELLOW DIAMOND RING set with an octagonal step cut pink tourmaline of 7.49 carats in a cluster of oval cut yellow diamonds, the diamonds all totalling 1.1-1.3 carats, stamped 18K, size M / 6.25, 7.5g. 

Estimate £2,500 - £3,500

LOT 137

AN ANTIQUE SAPPHIRE AND DIAMOND RING set with a round cut sapphire of approximately 0.60 carats and an old cut diamond of approximately 0.50 carats, accented by further old and rose cut diamonds, no assay marks, size I1/2 / 4.5, 3.2g. 

AN ANTIQUE SAPPHIRE AND DIAMOND RING set with a round cut sapphire of approximately 0.60 carats and an old cut diamond of approximately 0.50 carats, accented by further old and rose cut diamonds, no assay marks, size I1/2 / 4.5, 3.2g. 

Estimate £1,500 - £2,500

LOT 140

AN AMETHYST AND DIAMOND CLUSTER RING in yellow gold, set with an octagonal step cut amethyst in a cluster of round brilliant cut diamonds, the shoulders set with further diamonds, marked indistinctly, size O / 7.25, 9.6g. 

AN AMETHYST AND DIAMOND CLUSTER RING in yellow gold, set with an octagonal step cut amethyst in a cluster of round brilliant cut diamonds, the shoulders set with further diamonds, marked indistinctly, size O / 7.25, 9.6g. 

Estimate £1,500 - £2,500

LOT 144

A CEYLON NO HEAT SAPPHIRE, RUBY AND DIAMOND DRESS RING set with a cushion cut sapphire of approximately 12.04 carats accented by calibre and oval cut rubies, the shoulders set with old and single cut diamonds, the rubies all totalling 2.3-2.5 carats,

A CEYLON NO HEAT SAPPHIRE, RUBY AND DIAMOND DRESS RING set with a cushion cut sapphire of approximately 12.04 carats accented by calibre and oval cut rubies, the shoulders set with old and single cut diamonds, the rubies all totalling 2.3-2.5 carats,

Estimate £6,000 - £8,000

LOT 146

AN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of approximately 8.84 carats, accented on each side by a round brilliant cut diamond, stamped 18K, size N1/2 / 7, 5.3g. 

AN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of approximately 8.84 carats, accented on each side by a round brilliant cut diamond, stamped 18K, size N1/2 / 7, 5.3g. 

Estimate £600 - £800

LOT 149

A PEARL AND DIAMOND RING set with two pearls of 9.6mm and 9.8mm respectively, accented by round brilliant cut diamonds, stamped 585, size Y / 12.25, 9.8g. 

A PEARL AND DIAMOND RING set with two pearls of 9.6mm and 9.8mm respectively, accented by round brilliant cut diamonds, stamped 585, size Y / 12.25, 9.8g. 

Estimate £500 - £700

LOT 153

A GLASS-FILLED RUBY, OPAL AND DIAMOND RING set with an oval cabochon glass-filled ruby in a border of pear-shaped cabochon opals and round cut diamonds, no assay marks, size N / 6.75, 12.0g. 

A GLASS-FILLED RUBY, OPAL AND DIAMOND RING set with an oval cabochon glass-filled ruby in a border of pear-shaped cabochon opals and round cut diamonds, no assay marks, size N / 6.75, 12.0g. 

Estimate £400 - £600

LOT 155

A TURQUOISE AND DIAMOND CLUSTER RING set with a round cabochon turquoise in a double border of round cut diamonds, stamped 14K, size M1/2 / 6.5, 3.5g.

A TURQUOISE AND DIAMOND CLUSTER RING set with a round cabochon turquoise in a double border of round cut diamonds, stamped 14K, size M1/2 / 6.5, 3.5g.

Estimate £800 - £1,200

LOT 157

A YELLOW SAPPHIRE AND DIAMOND RING set with an oval cut 6.19 carats, the openwork tapering body of scrolling design, set with round brilliant cut diamonds, engraved 6.19 0.29, stamped K18, size Q1/2 / 8.25, 9.6g. 

A YELLOW SAPPHIRE AND DIAMOND RING set with an oval cut 6.19 carats, the openwork tapering body of scrolling design, set with round brilliant cut diamonds, engraved 6.19 0.29, stamped K18, size Q1/2 / 8.25, 9.6g. 

Estimate £2,000 - £3,000

LOT 159

AN ANTIQUE FRENCH DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold, set with three old cut diamonds, the band set with rose cut diamonds, French assay marks, size H1/2 / 4, 4.9g. 

AN ANTIQUE FRENCH DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold, set with three old cut diamonds, the band set with rose cut diamonds, French assay marks, size H1/2 / 4, 4.9g. 

Estimate £1,500 - £2,500

LOT 164

A MULTICOLOUR SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut sapphire of approximately 8.71 carats, accented by round brilliant cut white and brown diamonds and round cut pink and yellow sapphires, no assay marks, size J / 4.75, 10.9g. 

A MULTICOLOUR SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut sapphire of approximately 8.71 carats, accented by round brilliant cut white and brown diamonds and round cut pink and yellow sapphires, no assay marks, size J / 4.75, 10.9g. 

Estimate £6,000 - £8,000

LOT 166

A SET OF THREE DIAMOND STACKING RINGS comprising three undulating tricolour rings accented by round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 14.9g. 

A SET OF THREE DIAMOND STACKING RINGS comprising three undulating tricolour rings accented by round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 14.9g. 

Estimate £1,000 - £1,500

LOT 173

A VINTAGE AMETHYST RING in 18ct yellow gold, set with an oval cabochon amethyst on a fluted mount, stamped 18k, size L1/2 / 6, 11.2g.  

A VINTAGE AMETHYST RING in 18ct yellow gold, set with an oval cabochon amethyst on a fluted mount, stamped 18k, size L1/2 / 6, 11.2g.  

Estimate £350 - £450

LOT 175

A PINK SAPPHIRE AND DIAMOND RING in platinum, set with a pink sapphire of approximately 1.57 carats, accented by round brilliant cut diamonds, full British hallmarks, size M / 6.25, 5.7g.

A PINK SAPPHIRE AND DIAMOND RING in platinum, set with a pink sapphire of approximately 1.57 carats, accented by round brilliant cut diamonds, full British hallmarks, size M / 6.25, 5.7g.

Estimate £2,000 - £3,000

LOT 177

A VINTAGE CORAL DRESS RING in yellow gold, set with two round cabochon corals accented by foliate decoration, no assay marks, size R / 8.5, 9.3g. 

A VINTAGE CORAL DRESS RING in yellow gold, set with two round cabochon corals accented by foliate decoration, no assay marks, size R / 8.5, 9.3g. 

Estimate £600 - £800

LOT 180

AN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of approximately 1.61 carats, accented on each side by a round brilliant cut diamond, stamped 14K, size P1/2 / 8, 4.2g. 

AN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of approximately 1.61 carats, accented on each side by a round brilliant cut diamond, stamped 14K, size P1/2 / 8, 4.2g. 

Estimate £400 - £600

LOT 182

A FRENCH SAPPHIRE AND DIAMOND RING in 18ct white gold, set with a row of graduated oval cut sapphires, the sapphires all totalling 4.8-5.2 carats, in scalloped edge surround, pave set with round cut diamonds, the diamonds all totalling 2.3-2.5 carats

A FRENCH SAPPHIRE AND DIAMOND RING in 18ct white gold, set with a row of graduated oval cut sapphires, the sapphires all totalling 4.8-5.2 carats, in scalloped edge surround, pave set with round cut diamonds, the diamonds all totalling 2.3-2.5 carats

Estimate £1,500 - £2,500

LOT 187

A SAPPHIRE AND DIAMOND FLOWER RING set with four pear cut sapphires in a border of round cut diamonds, the band set with further diamonds, stamped 18K, size M1/2 / 6.5, 2.5g. 

A SAPPHIRE AND DIAMOND FLOWER RING set with four pear cut sapphires in a border of round cut diamonds, the band set with further diamonds, stamped 18K, size M1/2 / 6.5, 2.5g. 

Estimate £400 - £600

LOT 190

AN EMERALD AND DIAMOND CLUSTER RING set with an oval cut emerald of 0.86 carats in a cluster of round brilliant cut diamonds, stamped 18K, size N / 6.75, 3.0g. 

AN EMERALD AND DIAMOND CLUSTER RING set with an oval cut emerald of 0.86 carats in a cluster of round brilliant cut diamonds, stamped 18K, size N / 6.75, 3.0g. 

Estimate £600 - £800

LOT 194

A YELLOW DIAMOND CLUSTER RING set with a pear cut yellow diamond of approximately 1.01 carats in a cluster of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, no assay marks, size L / 5.75, 3.1g. 

A YELLOW DIAMOND CLUSTER RING set with a pear cut yellow diamond of approximately 1.01 carats in a cluster of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, no assay marks, size L / 5.75, 3.1g. 

Estimate £1,000 - £1,500

LOT 196

YVES SAINT LAURENT, A GOLD BAND RING in 18ct yellow gold, engraved 'Yves Saint Laurent' to both sides, signed Yves Saint Laurent and numbered, French assay marks, stamped 750, size I / 4.25, 4.4g. 

YVES SAINT LAURENT, A GOLD BAND RING in 18ct yellow gold, engraved 'Yves Saint Laurent' to both sides, signed Yves Saint Laurent and numbered, French assay marks, stamped 750, size I / 4.25, 4.4g. 

Estimate £800 - £1,200

LOT 200

AN AQUAMARINE AND DIAMOND RING in 18ct white gold, set with an oval cut aquamarine of 19.33 carats in a border of round brilliant cut diamonds, the shoulders set with further diamonds, the diamonds all totalling 1.00 carat, partial British hallmarks,

AN AQUAMARINE AND DIAMOND RING in 18ct white gold, set with an oval cut aquamarine of 19.33 carats in a border of round brilliant cut diamonds, the shoulders set with further diamonds, the diamonds all totalling 1.00 carat, partial British hallmarks,

Estimate £3,000 - £5,000

LOT 202

AN AQUAMARINE AND DIAMOND CLUSTER RING set with an oval cut aquamarine of approximately 2.02 carats in a cluster of old European cut diamonds, the diamonds totalling 0.5-0.6 carats, stamped 18K, size K1/2 / 5.5, 3.6g. 

AN AQUAMARINE AND DIAMOND CLUSTER RING set with an oval cut aquamarine of approximately 2.02 carats in a cluster of old European cut diamonds, the diamonds totalling 0.5-0.6 carats, stamped 18K, size K1/2 / 5.5, 3.6g. 

Estimate £600 - £800

LOT 203

A DIAMOND CLUSTER DRESS RING the circular face set with round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, the diamonds all totalling approximately 1.00 carat, stamped 10K, size N / 6.75, 4.4g.

A DIAMOND CLUSTER DRESS RING the circular face set with round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, the diamonds all totalling approximately 1.00 carat, stamped 10K, size N / 6.75, 4.4g.

Estimate £700 - £900

LOT 205

A COLOMBIAN EMERALD AND DIAMOND CLUSTER RING set with a pear cut emerald of approximately 1.60 carats in a cluster of round cut diamonds, no assay marks, size M1/2 / 6.5, 5.3g. Accompanied by a gemmological report stating that the emerald is of Colom

A COLOMBIAN EMERALD AND DIAMOND CLUSTER RING set with a pear cut emerald of approximately 1.60 carats in a cluster of round cut diamonds, no assay marks, size M1/2 / 6.5, 5.3g. Accompanied by a gemmological report stating that the emerald is of Colom

Estimate £2,000 - £3,000

LOT 209

A FRENCH GREEN TOURMALINE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut green tourmaline of approximately 2.00 carats in a double cluster of round brilliant cut diamonds, French assay marks, size L1/2 / 6, 7.2g. 

A FRENCH GREEN TOURMALINE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut green tourmaline of approximately 2.00 carats in a double cluster of round brilliant cut diamonds, French assay marks, size L1/2 / 6, 7.2g. 

Estimate £500 - £700

LOT 211

A FRENCH CITRINE, AMETHYST AND DIAMOND DRESS RING in 18ct yellow gold, set with a hexagonal step cut citrine, accented by buff top cabochon amethysts and round brilliant cut diamonds, French maker's mark, partially obscured French assay marks, size I

A FRENCH CITRINE, AMETHYST AND DIAMOND DRESS RING in 18ct yellow gold, set with a hexagonal step cut citrine, accented by buff top cabochon amethysts and round brilliant cut diamonds, French maker's mark, partially obscured French assay marks, size I

Estimate £1,500 - £2,500

LOT 215

A TIGER'S EYE DRESS RING set with an oval cabochon tiger's eye, marked indistinctly, size T / 9.5, 6.0g. 

A TIGER'S EYE DRESS RING set with an oval cabochon tiger's eye, marked indistinctly, size T / 9.5, 6.0g. 

Estimate £200 - £300

LOT 217

A SAPPHIRE AND DIAMOND NAVETTE RING in 14ct yellow gold and silver, the navette face set with an oval cut sapphire accented by round brilliant cut diamonds, stamped 585, size S / 9.25, 5.9g. 

A SAPPHIRE AND DIAMOND NAVETTE RING in 14ct yellow gold and silver, the navette face set with an oval cut sapphire accented by round brilliant cut diamonds, stamped 585, size S / 9.25, 5.9g. 

Estimate £250 - £350

LOT 222

AN EMERALD AND DIAMOND RING set with a round cabochon emerald of approximately 

AN EMERALD AND DIAMOND RING set with a round cabochon emerald of approximately 

Estimate £1,200 - £1,800

LOT 225

AN ANTIQUE EMERALD AND DIAMOND RING in yellow gold, set with three octagonal step cut emeralds and pairs of old cut diamonds, no assay marks, size N1/2 / 7, 2.9g.

AN ANTIQUE EMERALD AND DIAMOND RING in yellow gold, set with three octagonal step cut emeralds and pairs of old cut diamonds, no assay marks, size N1/2 / 7, 2.9g.

Estimate £1,000 - £1,500

LOT 226

AN ANTIQUE GARNET AND DIAMOND CLUSTER RING in 9ct yellow gold, set with an old cut diamond in a cluster of round cut garnets, the shoulders set with further old cut diamonds, full British hallmarks for Birmingham 1882, size M / 6.26, 1.4g. 

AN ANTIQUE GARNET AND DIAMOND CLUSTER RING in 9ct yellow gold, set with an old cut diamond in a cluster of round cut garnets, the shoulders set with further old cut diamonds, full British hallmarks for Birmingham 1882, size M / 6.26, 1.4g. 

Estimate £300 - £500

LOT 229

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of 10.15 carats in a border of round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, the diamonds all totalling 0.83 carats, stamped 18K, size N / 6.

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of 10.15 carats in a border of round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, the diamonds all totalling 0.83 carats, stamped 18K, size N / 6.

Estimate £2,000 - £3,000

LOT 232

A FRENCH DIAMOND GYPSY RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.23 carats, French assay marks, size S / 9.25, 13.3g. 

A FRENCH DIAMOND GYPSY RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.23 carats, French assay marks, size S / 9.25, 13.3g. 

Estimate £700 - £900

LOT 235

A FINE ANTIQUE MEMENTO MORI STUART CRYSTAL MOURNING RING, 18TH CENTURY in yellow gold, comprising a skull motif beneath a hexagonal Stuart crystal, the ornate band decorated with black enamel and the words D: BARONARM  OB:3 OCT: 1738 AE:56', no assay

A FINE ANTIQUE MEMENTO MORI STUART CRYSTAL MOURNING RING, 18TH CENTURY in yellow gold, comprising a skull motif beneath a hexagonal Stuart crystal, the ornate band decorated with black enamel and the words D: BARONARM  OB:3 OCT: 1738 AE:56', no assay

Estimate £4,000 - £6,000

LOT 239

A DIAMOND HALF ETERNITY RING set with a row of baguette cut diamonds between rows of round brilliant cut diamonds, the diamonds all totalling 2.45 carats, stamped 750, size N / 6.75, 5.7g. 

A DIAMOND HALF ETERNITY RING set with a row of baguette cut diamonds between rows of round brilliant cut diamonds, the diamonds all totalling 2.45 carats, stamped 750, size N / 6.75, 5.7g. 

Estimate £2,000 - £3,000

LOT 241

A FRENCH DIAMOND RING in 18ct yellow and white gold, the central section set with round brilliant cut diamonds, French assay marks, size M1/2 / 6.5, 12.4g. 

A FRENCH DIAMOND RING in 18ct yellow and white gold, the central section set with round brilliant cut diamonds, French assay marks, size M1/2 / 6.5, 12.4g. 

Estimate £500 - £700

LOT 244

A VINTAGE AMETHYST RING in yellow gold, set with an oval cut amethyst on a tapering band, stamped 10K, size S / 9, 9.2g. 

A VINTAGE AMETHYST RING in yellow gold, set with an oval cut amethyst on a tapering band, stamped 10K, size S / 9, 9.2g. 

Estimate £300 - £500

LOT 248

A DIAMOND CLUSTER DRESS RING the oval face set with clusters of single and round brilliant cut diamonds, the trifurcated shoulders set with further round cut diamonds, stamped 9K, size T / 9.5, 3.7g. 

A DIAMOND CLUSTER DRESS RING the oval face set with clusters of single and round brilliant cut diamonds, the trifurcated shoulders set with further round cut diamonds, stamped 9K, size T / 9.5, 3.7g. 

Estimate £400 - £600

LOT 252

A RUBY AND DIAMOND DRESS RING set with three old cut diamonds in a border of calibre cut rubies, further old cut diamonds set to the shoulders, no assay marks, size I / 4.25, 3.7g. 

A RUBY AND DIAMOND DRESS RING set with three old cut diamonds in a border of calibre cut rubies, further old cut diamonds set to the shoulders, no assay marks, size I / 4.25, 3.7g. 

Estimate £1,000 - £1,500

LOT 255

A DIAMOND FIVE STONE RING in 18ct white gold, set with five graduating round brilliant cut diamonds, the principal diamond weighing approximately 1.10 carats, the diamonds all totalling 2.1-2.2 carats, partial British hallmarks, size J1/2 / 5, 4.4g. 

A DIAMOND FIVE STONE RING in 18ct white gold, set with five graduating round brilliant cut diamonds, the principal diamond weighing approximately 1.10 carats, the diamonds all totalling 2.1-2.2 carats, partial British hallmarks, size J1/2 / 5, 4.4g. 

Estimate £4,000 - £6,000

LOT 256

AN ANTIQUE MOONSTONE AND DIAMOND RING in 18ct yellow gold and silver, set with a pear shaped cabochon moonstone in a heart shaped border of old cut diamonds, surmounted by a bow set with further old and rose cut diamonds, stamped 18, size R / 8.75, 4

AN ANTIQUE MOONSTONE AND DIAMOND RING in 18ct yellow gold and silver, set with a pear shaped cabochon moonstone in a heart shaped border of old cut diamonds, surmounted by a bow set with further old and rose cut diamonds, stamped 18, size R / 8.75, 4

Estimate £1,000 - £1,500

LOT 259

AN UNHEATED RUBY AND DIAMOND CLUSTER RING set with a cushion cut ruby of 2.27 carats in a double cluster of old European cut diamonds and calibre cut rubies, no assay marks, size L1/2 / 6, 4.7g. Accompanied by a gemmological report stating the ruby i

AN UNHEATED RUBY AND DIAMOND CLUSTER RING set with a cushion cut ruby of 2.27 carats in a double cluster of old European cut diamonds and calibre cut rubies, no assay marks, size L1/2 / 6, 4.7g. Accompanied by a gemmological report stating the ruby i

Estimate £4,000 - £6,000

LOT 262

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 2.36 carats, in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, stamped 14K, size N1/2 / 7, 2.0g. 

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 2.36 carats, in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, stamped 14K, size N1/2 / 7, 2.0g. 

Estimate £400 - £600

LOT 266

MELLERIO, A DIAMOND BOMBE RING set with a round brilliant cut diamond of approximately 2.01 carats on a domed ring pave set with round brilliant cut diamonds, signed Mellerio and numbered, French assay marks, size M / 6.25, 11.8g. 

MELLERIO, A DIAMOND BOMBE RING set with a round brilliant cut diamond of approximately 2.01 carats on a domed ring pave set with round brilliant cut diamonds, signed Mellerio and numbered, French assay marks, size M / 6.25, 11.8g. 

Estimate £8,000 - £12,000

LOT 268

A PINK SAPPHIRE AND DIAMOND RING set with a round cabochon pink sapphire of approximately 23.79 carats, the band of the ring set with a rose cut diamond, no assay marks, size N / 6.75, 18.5g. 

A PINK SAPPHIRE AND DIAMOND RING set with a round cabochon pink sapphire of approximately 23.79 carats, the band of the ring set with a rose cut diamond, no assay marks, size N / 6.75, 18.5g. 

Estimate £600 - £800

LOT 273

AN AMETHYST AND DIAMOND RING set with a fancy cut amethyst in a cluster of round cut diamonds, the shoulders set with a row of round cut diamonds, stamped 18K, size N / 6.75, 2.6g. 

AN AMETHYST AND DIAMOND RING set with a fancy cut amethyst in a cluster of round cut diamonds, the shoulders set with a row of round cut diamonds, stamped 18K, size N / 6.75, 2.6g. 

Estimate £500 - £700

LOT 276

A VINTAGE CITRINE, AQUAMARINE AND DIAMOND COCKTAIL RING set with a round cut citrine in a cluster of oval cut aquamarines, accented by round cut diamonds, no assay marks, size L / 5.75, 8.7g. 

A VINTAGE CITRINE, AQUAMARINE AND DIAMOND COCKTAIL RING set with a round cut citrine in a cluster of oval cut aquamarines, accented by round cut diamonds, no assay marks, size L / 5.75, 8.7g. 

Estimate £1,000 - £1,500

LOT 279

AN AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine of approximately 2.59 carats in a border of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, no assay marks, size M / 6.25, 5.5g. 

AN AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine of approximately 2.59 carats in a border of round brilliant cut diamonds, further round brilliant cut diamonds set to the shoulders, no assay marks, size M / 6.25, 5.5g. 

Estimate £1,800 - £2,200

LOT 283

A DIAMOND HALF ETERNITY RING half set with a row of old cut diamonds, the diamonds all totalling 1.3-1.5 carats, stamped 18CT, size Q / 8.25, 7.1g. 

A DIAMOND HALF ETERNITY RING half set with a row of old cut diamonds, the diamonds all totalling 1.3-1.5 carats, stamped 18CT, size Q / 8.25, 7.1g. 

Estimate £600 - £800

LOT 284

AN ANTIQUE DIAMOND AND ENAMEL RING set with an old cut diamond in a star shaped border, the band decorated with black enamel, no assay marks, size O / 7.25, 5.3g. 

AN ANTIQUE DIAMOND AND ENAMEL RING set with an old cut diamond in a star shaped border, the band decorated with black enamel, no assay marks, size O / 7.25, 5.3g. 

Estimate £500 - £700

LOT 290

A TANZANITE, PINK SAPPHIRE AND DIAMOND DRESS RING set with an octagonal step cut tanzanite of 2.38 carats and an oval cut pink sapphire of 2.05 carats, each in a border of round brilliant cut diamonds, the bifurcated band set with further diamonds, t

A TANZANITE, PINK SAPPHIRE AND DIAMOND DRESS RING set with an octagonal step cut tanzanite of 2.38 carats and an oval cut pink sapphire of 2.05 carats, each in a border of round brilliant cut diamonds, the bifurcated band set with further diamonds, t

Estimate £3,000 - £5,000

LOT 293

AN EMERALD AND DIAMOND SNAKE RING designed as a coiled snake, set with two round cut emeralds and round cut diamonds, stamped 750, size M / 6.5, 2.2g. 

AN EMERALD AND DIAMOND SNAKE RING designed as a coiled snake, set with two round cut emeralds and round cut diamonds, stamped 750, size M / 6.5, 2.2g. 

Estimate £400 - £600

LOT 297

A MODERNIST DIAMOND CLUSTER RING in 18ct yellow gold, the openwork mount set with a round brilliant cut diamond of approximately 0.35 carats in a cluster of further round brilliant cut diamonds, TLD maker's mark, full British hallmarks for London 197

A MODERNIST DIAMOND CLUSTER RING in 18ct yellow gold, the openwork mount set with a round brilliant cut diamond of approximately 0.35 carats in a cluster of further round brilliant cut diamonds, TLD maker's mark, full British hallmarks for London 197

Estimate £400 - £600

LOT 299

A CORAL RING set with a large cabochon coral, the mount with engraved foliate details, stamped 750, size M / 6.25, 19.7g. 

A CORAL RING set with a large cabochon coral, the mount with engraved foliate details, stamped 750, size M / 6.25, 19.7g. 

Estimate £700 - £900

LOT 302

AN ANTIQUE GEORGIAN DIAMOND, PEARL AND ENAMEL MOURNING RING the oval face set with a glass covered panel containing hairwork, in concentric borders of rose cut diamonds, blue enamel and seed pearls, no assay marks, size M1/2 / 6.5, 9.6g. 

AN ANTIQUE GEORGIAN DIAMOND, PEARL AND ENAMEL MOURNING RING the oval face set with a glass covered panel containing hairwork, in concentric borders of rose cut diamonds, blue enamel and seed pearls, no assay marks, size M1/2 / 6.5, 9.6g. 

Estimate £1,500 - £2,500

LOT 306

AN AQUAMARINE AND DIAMOND DRESS RING set with an octagonal step cut aquamarine of approximately 25.00 carats, in a border of baguette cut diamonds totalling 1.2-1.4 carats, stamped 18K, size V1/2 / 11, 26.9g. 

AN AQUAMARINE AND DIAMOND DRESS RING set with an octagonal step cut aquamarine of approximately 25.00 carats, in a border of baguette cut diamonds totalling 1.2-1.4 carats, stamped 18K, size V1/2 / 11, 26.9g. 

Estimate £8,000 - £12,000

LOT 311

A GARNET ETERNITY RING set all around with a row of round cabochon cut garnets, stamped 18K, size N / 6.75, 1.7g. 

A GARNET ETERNITY RING set all around with a row of round cabochon cut garnets, stamped 18K, size N / 6.75, 1.7g. 

Estimate £150 - £250

LOT 313

A PINK SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut pink sapphire of 2.85 carats between two emerald cut diamonds both totalling 1.04 carats, stamped 18K, size M / 6.25, 4.3g. 

A PINK SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut pink sapphire of 2.85 carats between two emerald cut diamonds both totalling 1.04 carats, stamped 18K, size M / 6.25, 4.3g. 

Estimate £4,000 - £6,000

LOT 318

AN ANTIQUE PINK TOURMALINE CAMEO AND DIAMOND CLUSTER RING, 19TH CENTURY AND LATER set with an oval pink tourmaline cameo carved to depict the bust of a classical woman, in a cluster of rose cut diamonds, no assay marks, size O / 7.25, 5.5g. 

AN ANTIQUE PINK TOURMALINE CAMEO AND DIAMOND CLUSTER RING, 19TH CENTURY AND LATER set with an oval pink tourmaline cameo carved to depict the bust of a classical woman, in a cluster of rose cut diamonds, no assay marks, size O / 7.25, 5.5g. 

Estimate £2,000 - £3,000