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Lot 45

A TSAVORITE GARNET AND DIAMOND TOI ET MOI RING the ...

A TSAVORITE GARNET AND DIAMOND TOI ET MOI RING the band set with an oval cut tsavorite garnet of 1.14 carats, together with four fancy cut diamonds arranged as an oval, stamped 18K, size M1/2 / 6.5, 3.1g.

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Lot 45

A TSAVORITE GARNET AND DIAMOND TOI ET MOI RING the ...

Estimate £1,200 - £1,600

Description

A TSAVORITE GARNET AND DIAMOND TOI ET MOI RING the band set with an oval cut tsavorite garnet of 1.14 carats, together with four fancy cut diamonds arranged as an oval, stamped 18K, size M1/2 / 6.5, 3.1g.

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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 4

A 4.02 CARAT DIAMOND RING in platinum, set with a round brilliant cut diamond of 4.02 carats in a border of round brilliant and princess cut diamonds, further round brilliant cut diamonds accenting the shoulders, full British hallmarks, size L1/2 / 6

A 4.02 CARAT DIAMOND RING in platinum, set with a round brilliant cut diamond of 4.02 carats in a border of round brilliant and princess cut diamonds, further round brilliant cut diamonds accenting the shoulders, full British hallmarks, size L1/2 / 6

Estimate £10,000 - £15,000

LOT 8

AN UNHEATED SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 3.42 carats in a cluster of old and brilliant cut diamonds, no assay marks, size O1/2 / 7.5, 5.7g. Accompanied by a gemmological report stating that the sapphire is of Mad

AN UNHEATED SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 3.42 carats in a cluster of old and brilliant cut diamonds, no assay marks, size O1/2 / 7.5, 5.7g. Accompanied by a gemmological report stating that the sapphire is of Mad

Estimate £4,000 - £6,000

LOT 10

A RETRO DIAMOND RING set with an old cut diamond of approximately 1.49 carats, accented by single cut diamonds, no assay marks, size O1/2 / 7.5, 11.6g. 

A RETRO DIAMOND RING set with an old cut diamond of approximately 1.49 carats, accented by single cut diamonds, no assay marks, size O1/2 / 7.5, 11.6g. 

Estimate £800 - £1,200

LOT 14

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of approximately 4.09 carats, the stepped shoulders set with baguette cut diamonds, stamped PLATINUM, size Q / 8.25, 4.4g. 

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of approximately 4.09 carats, the stepped shoulders set with baguette cut diamonds, stamped PLATINUM, size Q / 8.25, 4.4g. 

Estimate £1,500 - £2,500

LOT 18

A YELLOW SAPPHIRE AND DIAMOND RING in 18ct yellow and white gold, the tapering band set with an oval cut yellow sapphire of approximately 6.60 carats, accented by triangular motifs set with round brilliant cut diamonds, full British hallmarks, size O

A YELLOW SAPPHIRE AND DIAMOND RING in 18ct yellow and white gold, the tapering band set with an oval cut yellow sapphire of approximately 6.60 carats, accented by triangular motifs set with round brilliant cut diamonds, full British hallmarks, size O

Estimate £2,000 - £3,000

LOT 20

A TSAVORITE GARNET AND DIAMOND RING in yellow gold, set with a cluster of cabochon tsavorite garnets, accented by round brilliant cut diamonds, no assay marks, size N / 6.75, 5.5g. 

A TSAVORITE GARNET AND DIAMOND RING in yellow gold, set with a cluster of cabochon tsavorite garnets, accented by round brilliant cut diamonds, no assay marks, size N / 6.75, 5.5g. 

Estimate £600 - £800

LOT 22

A DIAMOND TOI ET MOI RING set with two round brilliant cut diamonds weighing approximately 1.00 carats respectively, the band set with further round cut diamonds, stamped PLAT, size I1/2 / 4.5, 4.8g. 

A DIAMOND TOI ET MOI RING set with two round brilliant cut diamonds weighing approximately 1.00 carats respectively, the band set with further round cut diamonds, stamped PLAT, size I1/2 / 4.5, 4.8g. 

Estimate £3,000 - £5,000

LOT 26

A SAPPHIRE AND DIAMOND HALO RING in platinum, set with a round cut sapphire of approximately 1.80 carats in a border of round brilliant cut diamonds, the band set with further diamonds, partial British hallmarks, size J / 4.75, 5.3g.  

A SAPPHIRE AND DIAMOND HALO RING in platinum, set with a round cut sapphire of approximately 1.80 carats in a border of round brilliant cut diamonds, the band set with further diamonds, partial British hallmarks, size J / 4.75, 5.3g.  

Estimate £600 - £800

LOT 30

A TANZANITE AND DIAMOND DRESS RING set with a cushion cut tanzanite of approximately 2.99 carats, in a border of round brilliant cut diamonds, stamped 750, size N1/2 / 7, 4.7g. 

A TANZANITE AND DIAMOND DRESS RING set with a cushion cut tanzanite of approximately 2.99 carats, in a border of round brilliant cut diamonds, stamped 750, size N1/2 / 7, 4.7g. 

Estimate £1,500 - £2,000

LOT 32

A PERIDOT AND DIAMOND RING set with a cabochon peridot in a border of round cut diamonds, the bifurcated band set with baguette cut diamonds, stamped 750, size N1/2 / 7, 7.6g. 

A PERIDOT AND DIAMOND RING set with a cabochon peridot in a border of round cut diamonds, the bifurcated band set with baguette cut diamonds, stamped 750, size N1/2 / 7, 7.6g. 

Estimate £1,000 - £1,500

LOT 35

A DIAMOND THREE STONE RING in platinum, set with three radiant cut diamonds all totalling approximately 1.50 carats, the principal diamond weighing 0.70 carats, full British hallmarks, size H / 3.75, 6.0g. Accompanied by a gemmological report stating

A DIAMOND THREE STONE RING in platinum, set with three radiant cut diamonds all totalling approximately 1.50 carats, the principal diamond weighing 0.70 carats, full British hallmarks, size H / 3.75, 6.0g. Accompanied by a gemmological report stating

Estimate £3,000 - £5,000

LOT 37

A GEMSET HAREM RING formed of five connected rings set with cushion cut sapphires, rubies and emeralds accented by round cut diamonds, no assay marks, size I1/2 / 4.5, 7.7g.

A GEMSET HAREM RING formed of five connected rings set with cushion cut sapphires, rubies and emeralds accented by round cut diamonds, no assay marks, size I1/2 / 4.5, 7.7g.

Estimate £800 - £1,200

LOT 42

A 2.02 CARAT FANCY YELLOW DIAMOND RING set with a pear cut yellow diamond of 2.02 carats accented on each side by a tapered baguette cut diamond, stamped PT950, size M / 6.25, 5.6g. Accompanied by a facsimile GIA report stating the diamond is a natur

A 2.02 CARAT FANCY YELLOW DIAMOND RING set with a pear cut yellow diamond of 2.02 carats accented on each side by a tapered baguette cut diamond, stamped PT950, size M / 6.25, 5.6g. Accompanied by a facsimile GIA report stating the diamond is a natur

Estimate £15,000 - £20,000

LOT 46

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a cushion cut sapphire of approximately 1.44 carats, accented on each side by trios of old cut diamonds, the diamonds all totalling 1.2-1.3 carats, marked indistinctly, size R / 8.75,

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a cushion cut sapphire of approximately 1.44 carats, accented on each side by trios of old cut diamonds, the diamonds all totalling 1.2-1.3 carats, marked indistinctly, size R / 8.75,

Estimate £1,500 - £2,500

LOT 49

AN ANTIQUE ENAMEL AND DIAMOND RING in yellow gold, designed as interlocking hoops set with old cut diamonds, accented by blue enamel, no assay marks, size L1/2 / 6, 5.5g. 

AN ANTIQUE ENAMEL AND DIAMOND RING in yellow gold, designed as interlocking hoops set with old cut diamonds, accented by blue enamel, no assay marks, size L1/2 / 6, 5.5g. 

Estimate £1,000 - £1,500

LOT 51

AN ART DECO DIAMOND DRESS RING in yellow gold and platinum, the openwork face set with old cut and single cut diamonds, no assay marks, size J1/2 / 5, 3.4g.

AN ART DECO DIAMOND DRESS RING in yellow gold and platinum, the openwork face set with old cut and single cut diamonds, no assay marks, size J1/2 / 5, 3.4g.

Estimate £800 - £1,200

LOT 54

A 4.03 CARAT BURMA NO HEAT RUBY AND DIAMOND THREE STONE RING in 18ct yellow gold, set with a cushion ruby of 4.03 carats between two old cut diamonds, the diamonds all totalling 0.8-1.0 carat, full British hallmarks for London 1971, size M / 6.25, 4.

A 4.03 CARAT BURMA NO HEAT RUBY AND DIAMOND THREE STONE RING in 18ct yellow gold, set with a cushion ruby of 4.03 carats between two old cut diamonds, the diamonds all totalling 0.8-1.0 carat, full British hallmarks for London 1971, size M / 6.25, 4.

Estimate £6,000 - £8,000

LOT 56

A SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut sapphire of approximately 2.76 carats flanked by calibre cut sapphires, in a scalloped border of round brilliant cut diamonds, no assay marks, size N / 6.75, 6.3g.

A SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut sapphire of approximately 2.76 carats flanked by calibre cut sapphires, in a scalloped border of round brilliant cut diamonds, no assay marks, size N / 6.75, 6.3g.

Estimate £3,000 - £5,000

LOT 58

A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 1.01 carats accented by single cut diamonds, stamped 18CT PT, size K1/2 / 5.5, 3.4g. 

A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 1.01 carats accented by single cut diamonds, stamped 18CT PT, size K1/2 / 5.5, 3.4g. 

Estimate £2,000 - £3,000

LOT 61

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of 8.71 carats in a double border of round brilliant cut diamonds, with further diamonds to the band, stamped 18ct gold (750), size N / 6.75, 4.9g. 

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of 8.71 carats in a double border of round brilliant cut diamonds, with further diamonds to the band, stamped 18ct gold (750), size N / 6.75, 4.9g. 

Estimate £3,000 - £5,000

LOT 64

A PINK TOURMALINE AND DIAMOND DRESS RING in 18ct white gold, set with a rectangular step cut pink tourmaline of 17.98 carats in a border of round brilliant cut diamonds, the trifurcated band set with further diamonds, stamped 18K, size M / 6.25, 11.7

A PINK TOURMALINE AND DIAMOND DRESS RING in 18ct white gold, set with a rectangular step cut pink tourmaline of 17.98 carats in a border of round brilliant cut diamonds, the trifurcated band set with further diamonds, stamped 18K, size M / 6.25, 11.7

Estimate £6,000 - £8,000

LOT 68

AN ANTIQUE DIAMOND DRESS RING in 18ct yellow gold, set with an old cut diamond of approximately 1.82 carats accented on each side by a trio of further old cut diamonds, the diamonds all totalling 2.5-2.7 carats, full British hallmarks for Birmingham

AN ANTIQUE DIAMOND DRESS RING in 18ct yellow gold, set with an old cut diamond of approximately 1.82 carats accented on each side by a trio of further old cut diamonds, the diamonds all totalling 2.5-2.7 carats, full British hallmarks for Birmingham

Estimate £6,000 - £8,000

LOT 71

A SAPPHIRE AND DIAMOND FLOWER DRESS RING of quatrefoil design, set with four pear cut blue sapphires in a border of round cut diamonds, with further diamonds to the band, stamped 18K, size N / 6.75, 2.6g.

A SAPPHIRE AND DIAMOND FLOWER DRESS RING of quatrefoil design, set with four pear cut blue sapphires in a border of round cut diamonds, with further diamonds to the band, stamped 18K, size N / 6.75, 2.6g.

Estimate £400 - £600

LOT 73

TIFFANY & CO., A STAR SAPPHIRE RING set with an oval cabochon star sapphire of approximately 6.50 carats, signed Tiffany & Co., stamped 14K, size P1/2 / 8, 13.7g. 

TIFFANY & CO., A STAR SAPPHIRE RING set with an oval cabochon star sapphire of approximately 6.50 carats, signed Tiffany & Co., stamped 14K, size P1/2 / 8, 13.7g. 

Estimate £2,500 - £3,500

LOT 75

A TSAVORITE GARNET AND PEARL CLUSTER RING in 18ct yellow gold, set with a cushion cut tsavorite garnet of approximately 1.48 carats in a cluster of pearls, full British hallmarks, size L / 5.75, 7.0g. 

A TSAVORITE GARNET AND PEARL CLUSTER RING in 18ct yellow gold, set with a cushion cut tsavorite garnet of approximately 1.48 carats in a cluster of pearls, full British hallmarks, size L / 5.75, 7.0g. 

Estimate £1,000 - £1,500

LOT 77

A MABE PEARL, ONYX AND DIAMOND DRESS RING in 18ct yellow gold, set with a mabe pearl accented by carved onyx and rows of round brilliant cut diamonds, stamped 750, size M / 6.25, 17.7g. 

A MABE PEARL, ONYX AND DIAMOND DRESS RING in 18ct yellow gold, set with a mabe pearl accented by carved onyx and rows of round brilliant cut diamonds, stamped 750, size M / 6.25, 17.7g. 

Estimate £800 - £1,200

LOT 79

AN AMETHYST RING set with an oval cabochon amethyst on a satin finish band, stamped 18K, size M1/2 / 6.5, 2.5g. 

AN AMETHYST RING set with an oval cabochon amethyst on a satin finish band, stamped 18K, size M1/2 / 6.5, 2.5g. 

Estimate £300 - £500

LOT 81

A MULTICOLOUR SAPPHIRE ETERNITY RING set all around with a row of octagonal step cut blue, green, yellow, orange and pink sapphires, inscribed 7.17, stamped 750, size N / 6.75, 4.9g. 

A MULTICOLOUR SAPPHIRE ETERNITY RING set all around with a row of octagonal step cut blue, green, yellow, orange and pink sapphires, inscribed 7.17, stamped 750, size N / 6.75, 4.9g. 

Estimate £2,000 - £3,000

LOT 84

A SAPPHIRE AND DIAMOND DRESS RING set with an oval cut sapphire accented by rows of round brilliant and carre cut diamonds, stamped 750, size L1/2 / 6, 9.2g. 

A SAPPHIRE AND DIAMOND DRESS RING set with an oval cut sapphire accented by rows of round brilliant and carre cut diamonds, stamped 750, size L1/2 / 6, 9.2g. 

Estimate £1,200 - £1,600

LOT 86

A TURQUOISE AND DIAMOND RING set with a cabochon turquoise, the shoulders pave set with round brilliant cut diamonds, stamped 18K, size O / 7.25, 5.9g. 

A TURQUOISE AND DIAMOND RING set with a cabochon turquoise, the shoulders pave set with round brilliant cut diamonds, stamped 18K, size O / 7.25, 5.9g. 

Estimate £800 - £1,200

LOT 88

THREE DIAMOND STACKING RINGS in 18ct yellow gold, comprising a three stone diamond ring and two connecting diamond band rings, two with full British hallmarks, one stamped 18K, size M / 6.25, 13.1g. 

THREE DIAMOND STACKING RINGS in 18ct yellow gold, comprising a three stone diamond ring and two connecting diamond band rings, two with full British hallmarks, one stamped 18K, size M / 6.25, 13.1g. 

Estimate £800 - £1,200

LOT 90

AN ANTIQUE YELLOW SAPPHIRE, DIAMOND AND ENAMEL NAVETTE RING in yellow gold, set with an old cut diamond over a ground of blue enamel, within a border of round cut yellow sapphires, no assay marks, size O / 7.25, 9.7g. 

AN ANTIQUE YELLOW SAPPHIRE, DIAMOND AND ENAMEL NAVETTE RING in yellow gold, set with an old cut diamond over a ground of blue enamel, within a border of round cut yellow sapphires, no assay marks, size O / 7.25, 9.7g. 

Estimate £1,000 - £1,500

LOT 91

A DIAMOND HALF ETERNITY RING set with seven round brilliant cut diamonds all totalling 1.6-1.8 carats, no assay marks, size K1/2 / 5.5, 4.3g.  

A DIAMOND HALF ETERNITY RING set with seven round brilliant cut diamonds all totalling 1.6-1.8 carats, no assay marks, size K1/2 / 5.5, 4.3g.  

Estimate £1,000 - £1,500

LOT 93

A RHODOLITE GARNET RING set with an octagonal step cut rhodolite garnet of 10.34 carats, no assay marks, size L1/2 / 6, 11.4g. 

A RHODOLITE GARNET RING set with an octagonal step cut rhodolite garnet of 10.34 carats, no assay marks, size L1/2 / 6, 11.4g. 

Estimate £600 - £800

LOT 95

A DIAMOND CLUSTER RING set with a cluster of round cut diamonds all totalling approximately 7.60 carats, stamped 18K, size L1/2 / 6, 6.4g. 

A DIAMOND CLUSTER RING set with a cluster of round cut diamonds all totalling approximately 7.60 carats, stamped 18K, size L1/2 / 6, 6.4g. 

Estimate £2,000 - £3,000

LOT 99

A RUBELLITE TOURMALINE AND DIAMOND DRESS RING set with a faceted-top oval cut rubellite tourmaline of 23.14 carats in a border of round cut diamonds, stamped 18K, size N / 6.75, 14.9g.

A RUBELLITE TOURMALINE AND DIAMOND DRESS RING set with a faceted-top oval cut rubellite tourmaline of 23.14 carats in a border of round cut diamonds, stamped 18K, size N / 6.75, 14.9g.

Estimate £1,500 - £2,500

LOT 102

A DIAMOND SLICE FLOWER RING in 18ct white gold, designed as a flower set with yellow diamond slices, each slice in a border of round cut diamonds, full British hallmarks, size M1/2 / 6.5, 15.0g. 

A DIAMOND SLICE FLOWER RING in 18ct white gold, designed as a flower set with yellow diamond slices, each slice in a border of round cut diamonds, full British hallmarks, size M1/2 / 6.5, 15.0g. 

Estimate £1,500 - £2,500

LOT 104

AN EMERALD AND DIAMOND GYPSY RING set with an oval cabochon emerald of approximately 1.89 carats accented on each side by a pear cut diamond, the diamonds both totalling 0.6-0.7 carats, stamped 18K, size N / 6.75, 6.7g. 

AN EMERALD AND DIAMOND GYPSY RING set with an oval cabochon emerald of approximately 1.89 carats accented on each side by a pear cut diamond, the diamonds both totalling 0.6-0.7 carats, stamped 18K, size N / 6.75, 6.7g. 

Estimate £1,800 - £2,200

LOT 109

NO RESERVE - A PURPLE DIAMOND RING

NO RESERVE - A PURPLE DIAMOND RING

Estimate £200 - £300

LOT 112

JEAN DESPRES, A LAPIS LAZULI DRESS RING set with a polished lapis lazuli accented by beaded shoulders, Jean Despres maker's mark, no assay marks, size P1/2 / 8, 19.0g. 

JEAN DESPRES, A LAPIS LAZULI DRESS RING set with a polished lapis lazuli accented by beaded shoulders, Jean Despres maker's mark, no assay marks, size P1/2 / 8, 19.0g. 

Estimate £1,200 - £1,800

LOT 115

AN EMERALD AND DIAMOND DRESS RING in 18ct white gold, set with a row of pear cut emeralds accented by round cut diamonds, full British hallmarks, size L1/2 / 6, 5.9g. 

AN EMERALD AND DIAMOND DRESS RING in 18ct white gold, set with a row of pear cut emeralds accented by round cut diamonds, full British hallmarks, size L1/2 / 6, 5.9g. 

Estimate £1,000 - £1,500

LOT 116

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 6.75 carats, the shoulders set with round brilliant cut diamonds, stamped Pt900, size L / 5.75, 6.9g. 

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 6.75 carats, the shoulders set with round brilliant cut diamonds, stamped Pt900, size L / 5.75, 6.9g. 

Estimate £5,000 - £7,000

LOT 118

A SAPPHIRE AND DIAMOND HALF ETERNITY RING in 18ct white gold, half set with a row of alternating rectangular step cut sapphires and baguette cut diamonds, full British hallmarks, size N1/2 / 7, 3.3g. 

A SAPPHIRE AND DIAMOND HALF ETERNITY RING in 18ct white gold, half set with a row of alternating rectangular step cut sapphires and baguette cut diamonds, full British hallmarks, size N1/2 / 7, 3.3g. 

Estimate £500 - £700

LOT 121

A DIAMOND CLUSTER RING set with a cluster of round brilliant cut diamonds, the diamonds all totalling 1.6-1.8 carats, no assay marks, size N / 6.75, 4.4g. 

A DIAMOND CLUSTER RING set with a cluster of round brilliant cut diamonds, the diamonds all totalling 1.6-1.8 carats, no assay marks, size N / 6.75, 4.4g. 

Estimate £600 - £800

LOT 124

A DIAMOND DRESS RING set with a cluster of round brilliant and baguette cut diamonds, the shoulders accented by further round brilliant and baguette cut diamonds, inscribed D221, stamped 18K 750, size M1/2 / 6.5, 6.5g. 

A DIAMOND DRESS RING set with a cluster of round brilliant and baguette cut diamonds, the shoulders accented by further round brilliant and baguette cut diamonds, inscribed D221, stamped 18K 750, size M1/2 / 6.5, 6.5g. 

Estimate £1,500 - £2,500

LOT 126

AN EMERALD AND DIAMOND LILY RING designed as a peace lily set with an octagonal step cut emerald and round brilliant cut diamonds, stamped Pt900 18K, size L / 5.75, 10.2g.

AN EMERALD AND DIAMOND LILY RING designed as a peace lily set with an octagonal step cut emerald and round brilliant cut diamonds, stamped Pt900 18K, size L / 5.75, 10.2g.

Estimate £1,000 - £1,500

LOT 129

A DIAMOND RING set with a 1.59 carat fancy cut diamond, surrounded by a cluster of round cut diamonds, stamped 14K, size N / 6.75, 2.6g. 

A DIAMOND RING set with a 1.59 carat fancy cut diamond, surrounded by a cluster of round cut diamonds, stamped 14K, size N / 6.75, 2.6g. 

Estimate £500 - £700

LOT 132

AN OPAL AND DIAMOND FIVE STONE RING in 18ct yellow gold, set with five oval cabochon opals accented by round cut diamonds, full British hallmarks for London 1969, size P / 7.75, 6.1g. 

AN OPAL AND DIAMOND FIVE STONE RING in 18ct yellow gold, set with five oval cabochon opals accented by round cut diamonds, full British hallmarks for London 1969, size P / 7.75, 6.1g. 

Estimate £400 - £600

LOT 134

A FANCY COLOUR DIAMOND COCKTAIL RING the bombe design navette shaped face set allover with varicoloured round cut diamonds, the diamonds all totalling 6.5-7.5 carats, stamped 18K, size Q / 8, 13.2g.

A FANCY COLOUR DIAMOND COCKTAIL RING the bombe design navette shaped face set allover with varicoloured round cut diamonds, the diamonds all totalling 6.5-7.5 carats, stamped 18K, size Q / 8, 13.2g.

Estimate £2,000 - £3,000

LOT 137

A PINK TOURMALINE AND DIAMOND RING in platinum, set with an oval cabochon pink tourmaline in a border of round cut diamonds, the bifurcated band set with further round cut diamonds, full British hallmarks, size M1/2 / 6.5, 7.4g. 

A PINK TOURMALINE AND DIAMOND RING in platinum, set with an oval cabochon pink tourmaline in a border of round cut diamonds, the bifurcated band set with further round cut diamonds, full British hallmarks, size M1/2 / 6.5, 7.4g. 

Estimate £800 - £1,200

LOT 139

AN EMERALD AND DIAMOND DRESS RING set with a cushion cut emerald of 2.12 carats, accented by a step cut diamonds arranged in octagonal design, stamped 18K, size N / 6.5, 4.9g.

AN EMERALD AND DIAMOND DRESS RING set with a cushion cut emerald of 2.12 carats, accented by a step cut diamonds arranged in octagonal design, stamped 18K, size N / 6.5, 4.9g.

Estimate £2,500 - £3,500

LOT 142

A RUBY AND DIAMOND CLUSTER RING in white gold, set with an oval cut ruby of approximately 1.23 carats, in a cluster of single and tapered baguette cut diamonds, no assay marks, size N1/2 / 7, 11.1g. 

A RUBY AND DIAMOND CLUSTER RING in white gold, set with an oval cut ruby of approximately 1.23 carats, in a cluster of single and tapered baguette cut diamonds, no assay marks, size N1/2 / 7, 11.1g. 

Estimate £2,500 - £3,500

LOT 144

A PAIR OF EMERALD AND DIAMOND DROP EARRINGS in 18ct white gold, each set with a square step cut emerald in a cluster of round brilliant cut diamonds suspending a row of round cut diamonds, terminating with an oval cut emerald in a cluster of further

A PAIR OF EMERALD AND DIAMOND DROP EARRINGS in 18ct white gold, each set with a square step cut emerald in a cluster of round brilliant cut diamonds suspending a row of round cut diamonds, terminating with an oval cut emerald in a cluster of further

Estimate £2,500 - £3,500

LOT 146

ASPREY, A CITRINE AND DIAMOND DRESS RING set with a cushion cut citrine in a border of round brilliant cut diamonds, signed Asprey, stamped 750, size N / 6.75, 16.6g. 

ASPREY, A CITRINE AND DIAMOND DRESS RING set with a cushion cut citrine in a border of round brilliant cut diamonds, signed Asprey, stamped 750, size N / 6.75, 16.6g. 

Estimate £600 - £800

LOT 148

A COGNAC DIAMOND ETERNITY RING set all around with alternating round brilliant cut cognac diamonds and pairs of round brilliant cut diamonds, the diamonds all totalling 1.91 carats, no assay marks, size M / 6.25, 4.4g. 

A COGNAC DIAMOND ETERNITY RING set all around with alternating round brilliant cut cognac diamonds and pairs of round brilliant cut diamonds, the diamonds all totalling 1.91 carats, no assay marks, size M / 6.25, 4.4g. 

Estimate £800 - £1,200

LOT 150

A SAPPHIRE AND DIAMOND FLOWER RING in 18ct white gold, designed as a flower, set with a cluster of heart cut diamonds accented by round cut sapphires and diamonds, full British hallmarks, size M / 6.25, 13.1g. 

A SAPPHIRE AND DIAMOND FLOWER RING in 18ct white gold, designed as a flower, set with a cluster of heart cut diamonds accented by round cut sapphires and diamonds, full British hallmarks, size M / 6.25, 13.1g. 

Estimate £1,000 - £1,500

LOT 152

AN ANTIQUE DIAMOND CLUSTER RING in yellow gold and silver, set with a cluster of rose cut diamonds, no assay marks, size L / 5.75, 3.8g.

AN ANTIQUE DIAMOND CLUSTER RING in yellow gold and silver, set with a cluster of rose cut diamonds, no assay marks, size L / 5.75, 3.8g.

Estimate £1,500 - £2,500

LOT 154

A SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut sapphire of approximately 1.31 carats, accented on each side by an old cut diamond, the diamonds both totalling 1.3-1.5 carats, stamped PLAT 18CT, size N / 6.75, 3.5g. 

A SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut sapphire of approximately 1.31 carats, accented on each side by an old cut diamond, the diamonds both totalling 1.3-1.5 carats, stamped PLAT 18CT, size N / 6.75, 3.5g. 

Estimate £2,000 - £3,000

LOT 157

AN ANTIQUE PEARL AND DIAMOND SWEETHEART RING in yellow gold, designed as two interlocking hearts surmounted by a ribbon set with an old cut diamond and pearls, no assay marks, size O1/2 / 7.5, 3.7g. 

AN ANTIQUE PEARL AND DIAMOND SWEETHEART RING in yellow gold, designed as two interlocking hearts surmounted by a ribbon set with an old cut diamond and pearls, no assay marks, size O1/2 / 7.5, 3.7g. 

Estimate £600 - £800

LOT 160

AN ANTIQUE TURQUOISE RING in yellow gold, set with a cabochon turquoise in a beaded border, no assay marks, size M / 6.25, 9.4g. 

AN ANTIQUE TURQUOISE RING in yellow gold, set with a cabochon turquoise in a beaded border, no assay marks, size M / 6.25, 9.4g. 

Estimate £800 - £1,200

LOT 162

A DIAMOND RING set with an old cut diamond of approximately 1.08 carats, accented by further old and rose cut diamonds, the diamonds all totalling 1.7-1.9 carats, no assay marks, size L / 5.75, 4.7g. 

A DIAMOND RING set with an old cut diamond of approximately 1.08 carats, accented by further old and rose cut diamonds, the diamonds all totalling 1.7-1.9 carats, no assay marks, size L / 5.75, 4.7g. 

Estimate £3,000 - £5,000

LOT 165

A GREEN TOURMALINE AND DIAMOND RING set with an octagonal step cut green tourmaline of approximately 3.00 carats, the shoulders set with a single cut diamond, stamped 585, size K / 5.25, 3.0g. 

A GREEN TOURMALINE AND DIAMOND RING set with an octagonal step cut green tourmaline of approximately 3.00 carats, the shoulders set with a single cut diamond, stamped 585, size K / 5.25, 3.0g. 

Estimate £600 - £800

LOT 169

AN ANTIQUE EMERALD AND DIAMOND RING in 18ct yellow gold, set with a row of five cushion cut emeralds accented by rose cut diamonds, the emeralds all totalling 0.9-1.0 carats, stamped 18CT, size L / 5.75, 3.4g.

AN ANTIQUE EMERALD AND DIAMOND RING in 18ct yellow gold, set with a row of five cushion cut emeralds accented by rose cut diamonds, the emeralds all totalling 0.9-1.0 carats, stamped 18CT, size L / 5.75, 3.4g.

Estimate £1,000 - £1,500

LOT 172

AN ANTIQUE IBERIAN RUBY RING in yellow gold, set with flat cut rubies, no assay marks, size S / 9, 3.6g. 

AN ANTIQUE IBERIAN RUBY RING in yellow gold, set with flat cut rubies, no assay marks, size S / 9, 3.6g. 

Estimate £1,500 - £2,500

LOT 175

AN ANTIQUE SAPPHIRE AND DIAMOND RING in yellow gold, set with an old cut diamond of approximately 0.60 carats accented on each side by a round cut sapphire, accented by rose cut diamonds, the sapphires both totalling 1.7-1.9 carats, no assay marks, s

AN ANTIQUE SAPPHIRE AND DIAMOND RING in yellow gold, set with an old cut diamond of approximately 0.60 carats accented on each side by a round cut sapphire, accented by rose cut diamonds, the sapphires both totalling 1.7-1.9 carats, no assay marks, s

Estimate £1,000 - £1,500

LOT 176

A RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with a round cut ruby in a cluster of round brilliant cut diamonds, full British hallmarks, size L / 5.75, 5.0g. 

A RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with a round cut ruby in a cluster of round brilliant cut diamonds, full British hallmarks, size L / 5.75, 5.0g. 

Estimate £400 - £600

LOT 178

A NATURAL SALTWATER PEARL, BURMA NO HEAT RUBY AND DIAMOND RING in yellow gold, set with a pearl of 6.4mm accented on each side by a cushion cut ruby, accented by rose cut diamonds, no assay marks, size N1/2 / 7, 4.0g. Accompanied by a gemmological re

A NATURAL SALTWATER PEARL, BURMA NO HEAT RUBY AND DIAMOND RING in yellow gold, set with a pearl of 6.4mm accented on each side by a cushion cut ruby, accented by rose cut diamonds, no assay marks, size N1/2 / 7, 4.0g. Accompanied by a gemmological re

Estimate £2,000 - £3,000

LOT 180

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an octagonal step cut sapphire in a cluster of round brilliant cut diamonds, full British hallmarks, size M1/2 / 6.5, 7.6g. 

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an octagonal step cut sapphire in a cluster of round brilliant cut diamonds, full British hallmarks, size M1/2 / 6.5, 7.6g. 

Estimate £600 - £800

LOT 182

A GREEN TOURMALINE AND DIAMOND COCKTAIL RING set with an octagonal step cut green tourmaline of approximately 56.86 carats in a border of round brilliant cut diamonds, the shoulders set with further diamonds, the diamonds all totalling 2.5-3.0 carats

A GREEN TOURMALINE AND DIAMOND COCKTAIL RING set with an octagonal step cut green tourmaline of approximately 56.86 carats in a border of round brilliant cut diamonds, the shoulders set with further diamonds, the diamonds all totalling 2.5-3.0 carats

Estimate £10,000 - £15,000

LOT 184

A SAPPHIRE AND DIAMOND GYPSY RING set with an oval cut sapphire accented on each side by a round cut diamond, no assay marks, size M1/2 / 6.5, 11.1g. 

A SAPPHIRE AND DIAMOND GYPSY RING set with an oval cut sapphire accented on each side by a round cut diamond, no assay marks, size M1/2 / 6.5, 11.1g. 

Estimate £500 - £700

LOT 187

A STAR RUBY AND DIAMOND RING set with an oval cabochon star ruby of approximately 16.39 carats in a cluster of round brilliant and baguette cut diamonds, inscribed 16.39, stamped Pt900, size N1/2 / 7, 14.5g.

A STAR RUBY AND DIAMOND RING set with an oval cabochon star ruby of approximately 16.39 carats in a cluster of round brilliant and baguette cut diamonds, inscribed 16.39, stamped Pt900, size N1/2 / 7, 14.5g.

Estimate £2,000 - £3,000

LOT 189

A SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut blue sapphire of 1.29 carats, between two emerald cut diamonds, the diamonds both totalling 0.50 carats, stamped 18K, size N / 6.75, 3.3g.

A SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut blue sapphire of 1.29 carats, between two emerald cut diamonds, the diamonds both totalling 0.50 carats, stamped 18K, size N / 6.75, 3.3g.

Estimate £1,200 - £1,600

LOT 192

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white gold, set with seven oval cut emeralds in clusters of round cut diamonds, full British hallmarks, size L1/2 / 6, 4.2g. 

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white gold, set with seven oval cut emeralds in clusters of round cut diamonds, full British hallmarks, size L1/2 / 6, 4.2g. 

Estimate £800 - £1,200

LOT 194

A SAPPHIRE AND DIAMOND ETERNITY RING set all around with alternating trios of square step cut sapphires and princess cut diamonds, stamped PT, size L / 5.75, 5.6g. 

A SAPPHIRE AND DIAMOND ETERNITY RING set all around with alternating trios of square step cut sapphires and princess cut diamonds, stamped PT, size L / 5.75, 5.6g. 

Estimate £1,200 - £1,600

LOT 196

AN UNHEATED RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of 7.75 carats in a double border of round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 8.1g. Accompanied by a gemmological report stating that the ruby shows no indication

AN UNHEATED RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of 7.75 carats in a double border of round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 8.1g. Accompanied by a gemmological report stating that the ruby shows no indication

Estimate £4,000 - £6,000

LOT 199

AN ANTIQUE DIAMOND DRESS RING in yellow gold and silver, set with five rose cut diamonds in a border of further rose cut diamonds, no assay marks, size L1/2 / 6, 3.3g. 

AN ANTIQUE DIAMOND DRESS RING in yellow gold and silver, set with five rose cut diamonds in a border of further rose cut diamonds, no assay marks, size L1/2 / 6, 3.3g. 

Estimate £1,500 - £2,500

LOT 203

A SAPPHIRE AND DIAMOND THREE STONE RING set with an oval cut sapphire of approximately 1.50 carats, accented on each side by an old cut diamonds, the diamonds both totalling 0.8-0.9 carats, stamped PLAT, size O / 7.25, 3.8g. 

A SAPPHIRE AND DIAMOND THREE STONE RING set with an oval cut sapphire of approximately 1.50 carats, accented on each side by an old cut diamonds, the diamonds both totalling 0.8-0.9 carats, stamped PLAT, size O / 7.25, 3.8g. 

Estimate £1,200 - £1,600

LOT 210

A DIAMOND SNAKE RING designed as a coiled snake, the head set with an old cut diamond, no assay marks, size L1/2 / 6, 6.8g. 

A DIAMOND SNAKE RING designed as a coiled snake, the head set with an old cut diamond, no assay marks, size L1/2 / 6, 6.8g. 

Estimate £800 - £1,200

LOT 212

A SAPPHIRE AND DIAMOND DRESS RING set with a large rose cut sapphire of 39.93 carats in a border of round cut diamonds, stamped 18K, size R / 8.5, 16.6g.

A SAPPHIRE AND DIAMOND DRESS RING set with a large rose cut sapphire of 39.93 carats in a border of round cut diamonds, stamped 18K, size R / 8.5, 16.6g.

Estimate £1,500 - £2,500

LOT 214

A STAR RUBY AND DIAMOND THREE STONE RING set with a round cabochon star ruby accented on each side by a fancy shield cut diamond, stamped PLAT, size O1/2 / 7.5, 7.7g. 

A STAR RUBY AND DIAMOND THREE STONE RING set with a round cabochon star ruby accented on each side by a fancy shield cut diamond, stamped PLAT, size O1/2 / 7.5, 7.7g. 

Estimate £1,500 - £2,500

LOT 217

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of approximately 3.25 carats accented by round brilliant and single cut diamonds, no assay marks, size K / 5.25, 7.5g. 

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of approximately 3.25 carats accented by round brilliant and single cut diamonds, no assay marks, size K / 5.25, 7.5g. 

Estimate £1,000 - £1,500

LOT 223

A DIAMOND DRESS RING in 18ct yellow gold, set with a marquise cut diamond in a ballerina style border of tapered baguette cut diamonds, the band set with round brilliant cut diamonds, full British hallmarks, size N1/2 / 7, 6.4g. 

A DIAMOND DRESS RING in 18ct yellow gold, set with a marquise cut diamond in a ballerina style border of tapered baguette cut diamonds, the band set with round brilliant cut diamonds, full British hallmarks, size N1/2 / 7, 6.4g. 

Estimate £2,500 - £3,500

LOT 225

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round cut emerald in a cluster of round brilliant cut diamonds, stamped 18CT, size P / 7.75, 3.6g. 

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a round cut emerald in a cluster of round brilliant cut diamonds, stamped 18CT, size P / 7.75, 3.6g. 

Estimate £500 - £700

LOT 226

A RUBY AND DIAMOND RING in platinum, set with a row of octagonal step cut rubies accented by pairs of round cut diamonds, full British hallmarks, size M / 6.25, 4.2g. 

A RUBY AND DIAMOND RING in platinum, set with a row of octagonal step cut rubies accented by pairs of round cut diamonds, full British hallmarks, size M / 6.25, 4.2g. 

Estimate £600 - £800

LOT 228

A SAPPHIRE AND DIAMOND THREE STONE RING set with an oval cut sapphire of approximately 3.07 carats accented on each side by a round cut diamond, the diamonds both totalling 1.0-1.1 carats, stamped 18CT, size L / 5.75, 5.0g. 

A SAPPHIRE AND DIAMOND THREE STONE RING set with an oval cut sapphire of approximately 3.07 carats accented on each side by a round cut diamond, the diamonds both totalling 1.0-1.1 carats, stamped 18CT, size L / 5.75, 5.0g. 

Estimate £2,000 - £3,000

LOT 231

A KUNZITE AND DIAMOND CLUSTER RING set with an oval cut kunzite of 4.03 carats in a double border of round cut diamonds, the band set with further round cut diamonds, stamped 750, size M1/2 / 6.5, 6.2g. 

A KUNZITE AND DIAMOND CLUSTER RING set with an oval cut kunzite of 4.03 carats in a double border of round cut diamonds, the band set with further round cut diamonds, stamped 750, size M1/2 / 6.5, 6.2g. 

Estimate £1,200 - £1,600

LOT 235

AN UNHEATED SAPPHIRE AND DIAMOND DRESS RING set with an oval cabochon sapphire of 3.61 carats, accented by rows of baguette cut diamonds, the diamonds all totalling 1.21 carats, inscribed 3.61 D1.21, stamped PT900, size L1/2 / 6, 11.4g. 

AN UNHEATED SAPPHIRE AND DIAMOND DRESS RING set with an oval cabochon sapphire of 3.61 carats, accented by rows of baguette cut diamonds, the diamonds all totalling 1.21 carats, inscribed 3.61 D1.21, stamped PT900, size L1/2 / 6, 11.4g. 

Estimate £2,000 - £3,000

LOT 239

A DIAMOND ENGAGEMENT RING set with a pear cut diamond of approximately 0.60 carats in a border of round brilliant cut diamonds, the band set with further diamonds, no assay marks, size N / 6.75, 3.2g. 

A DIAMOND ENGAGEMENT RING set with a pear cut diamond of approximately 0.60 carats in a border of round brilliant cut diamonds, the band set with further diamonds, no assay marks, size N / 6.75, 3.2g. 

Estimate £1,500 - £2,500

LOT 242

SALAVETTI, A SPINEL AND DIAMOND THREE STONE RING set with an oval cut spinel of approximately 2.96 carats accented on each side by a trillion cut diamond, inscribed 296 032, signed Salavetti, stamped 750, size N1/2 / 7, 6.3g. 

SALAVETTI, A SPINEL AND DIAMOND THREE STONE RING set with an oval cut spinel of approximately 2.96 carats accented on each side by a trillion cut diamond, inscribed 296 032, signed Salavetti, stamped 750, size N1/2 / 7, 6.3g. 

Estimate £1,500 - £2,500

LOT 245

AN UNTREATED EMERALD AND DIAMOND CLUSTER RING set with an oval cut emerald of 1.25 carats in a cluster of round brilliant cut diamonds, stamped 18ct, size N1/2 / 7, 4.1g. Accompanied by a gemmological report stating the emerald is of Zambian origin w

AN UNTREATED EMERALD AND DIAMOND CLUSTER RING set with an oval cut emerald of 1.25 carats in a cluster of round brilliant cut diamonds, stamped 18ct, size N1/2 / 7, 4.1g. Accompanied by a gemmological report stating the emerald is of Zambian origin w

Estimate £1,000 - £1,500

LOT 248

AN EMERALD AND DIAMOND RING in 18ct yellow gold, set with a cabochon emerald between trios of round brilliant cut diamonds, inscribed 1.07 0.36, French assay marks, size M / 6.25, 2.8g. 

AN EMERALD AND DIAMOND RING in 18ct yellow gold, set with a cabochon emerald between trios of round brilliant cut diamonds, inscribed 1.07 0.36, French assay marks, size M / 6.25, 2.8g. 

Estimate £500 - £700

LOT 250

A SAPPHIRE AND DIAMOND RING in 18ct white gold, set with a row of alternating octagonal step cut sapphires and baguette cut diamonds, full British hallmarks, size N1/2 / 7, 2.8g. 

A SAPPHIRE AND DIAMOND RING in 18ct white gold, set with a row of alternating octagonal step cut sapphires and baguette cut diamonds, full British hallmarks, size N1/2 / 7, 2.8g. 

Estimate £300 - £500

LOT 251

A RUBY AND DIAMOND RING in 18ct yellow gold, set with three cushion cut rubies accented by pairs of old cut diamonds, partially obscured full British hallmarks, size R1/2 / 9, 4.2g.

A RUBY AND DIAMOND RING in 18ct yellow gold, set with three cushion cut rubies accented by pairs of old cut diamonds, partially obscured full British hallmarks, size R1/2 / 9, 4.2g.

Estimate £600 - £800

LOT 253

AN ANTIQUE DIAMOND RING in yellow gold and silver, designed as two interlocking horseshoes surmounted by a bow, set throughout with old and rose cut diamonds, no assay marks, size L1/2 / 6, 3.5g.

AN ANTIQUE DIAMOND RING in yellow gold and silver, designed as two interlocking horseshoes surmounted by a bow, set throughout with old and rose cut diamonds, no assay marks, size L1/2 / 6, 3.5g.

Estimate £1,000 - £1,500

LOT 258

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with a square step cut emerald in a cluster of round brilliant cut diamonds, the shoulders accented by baguette cut diamonds, stamped Pt900, size L / 5.75, 5.8g. 

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with a square step cut emerald in a cluster of round brilliant cut diamonds, the shoulders accented by baguette cut diamonds, stamped Pt900, size L / 5.75, 5.8g. 

Estimate £800 - £1,200

LOT 259

A DIAMOND DRESS RING in 18ct white gold, set with a marquise cut diamond in a border of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, stamped 750, size K / 5.25, 5.8g. 

A DIAMOND DRESS RING in 18ct white gold, set with a marquise cut diamond in a border of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, stamped 750, size K / 5.25, 5.8g. 

Estimate £600 - £800

LOT 262

A DIAMOND CLUSTER RING in platinum, set with a cushion cut diamond of 0.91 carats in a cluster of round brilliant cut diamonds, full British hallmarks, size N / 6.75, 5.4g. 

A DIAMOND CLUSTER RING in platinum, set with a cushion cut diamond of 0.91 carats in a cluster of round brilliant cut diamonds, full British hallmarks, size N / 6.75, 5.4g. 

Estimate £1,200 - £1,600

LOT 268

A REVERSIBLE RUBY AND DIAMOND RING the square face set to one side with round brilliant cut diamonds and to the other side with round cut rubies and round brilliant cut diamonds, further round brilliant cut diamonds accenting the double band, stamped

A REVERSIBLE RUBY AND DIAMOND RING the square face set to one side with round brilliant cut diamonds and to the other side with round cut rubies and round brilliant cut diamonds, further round brilliant cut diamonds accenting the double band, stamped

Estimate £1,000 - £1,500

LOT 270

A DIAMOND AND PINK SAPPHIRE RING in 18ct white gold, set with a marquise cut diamond accented on each side by a round brilliant cut diamond, in a border of round cut pink sapphires, full British hallmarks for London 2023, size M1/2 / 6.5, 3.6g. 

A DIAMOND AND PINK SAPPHIRE RING in 18ct white gold, set with a marquise cut diamond accented on each side by a round brilliant cut diamond, in a border of round cut pink sapphires, full British hallmarks for London 2023, size M1/2 / 6.5, 3.6g. 

Estimate £400 - £600

LOT 271

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a row of round cut sapphires in clusters of round cut diamonds, full British hallmarks, size M / 6.25, 6.1g. 

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a row of round cut sapphires in clusters of round cut diamonds, full British hallmarks, size M / 6.25, 6.1g. 

Estimate £600 - £800

LOT 274

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with an oval cut emerald of approximately 1.10 carats in a cluster of round brilliant cut diamonds, stamped PLAT, size N /  6.75, 5.2g. 

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with an oval cut emerald of approximately 1.10 carats in a cluster of round brilliant cut diamonds, stamped PLAT, size N /  6.75, 5.2g. 

Estimate £1,200 - £1,600

LOT 275

A SAPPHIRE AND DIAMOND CLUSTER RING set with a round cut sapphire of 3.10 carats in a cluster of round brilliant cut diamonds, the band pave set with further round brilliant cut diamonds, stamped Pt950, size N1/2 / 7, 9.4g. 

A SAPPHIRE AND DIAMOND CLUSTER RING set with a round cut sapphire of 3.10 carats in a cluster of round brilliant cut diamonds, the band pave set with further round brilliant cut diamonds, stamped Pt950, size N1/2 / 7, 9.4g. 

Estimate £6,000 - £8,000

LOT 277

A SAPPHIRE AND DIAMOND ETERNITY RING in 18ct white gold, set all around with a row of alternating square step cut sapphires and round brilliant cut diamonds, partial British hallmarks, size N1/2 / 7, 3.4g. 

A SAPPHIRE AND DIAMOND ETERNITY RING in 18ct white gold, set all around with a row of alternating square step cut sapphires and round brilliant cut diamonds, partial British hallmarks, size N1/2 / 7, 3.4g. 

Estimate £600 - £800

LOT 279

A RUBY AND DIAMOND DRESS RING set with an oval cut ruby of approximately 3.00 carats, the band pave set with round cut diamonds and round cut rubies, no assay marks, size L / 5.75, 7.8g. 

A RUBY AND DIAMOND DRESS RING set with an oval cut ruby of approximately 3.00 carats, the band pave set with round cut diamonds and round cut rubies, no assay marks, size L / 5.75, 7.8g. 

Estimate £4,500 - £5,500

LOT 282

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut sapphire of 2.69 carats in a border of round cut diamonds, the bifurcated band set with further round cut diamonds, full British hallmarks, size M / 6.25, 5.0g. 

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut sapphire of 2.69 carats in a border of round cut diamonds, the bifurcated band set with further round cut diamonds, full British hallmarks, size M / 6.25, 5.0g. 

Estimate £400 - £600

LOT 283

A PAIR OF SAPPHIRE AND DIAMOND HALF HOOP EARRINGS in 18ct white gold, each designed as a half hoop set with octagonal step cut sapphires accented by round cut diamonds, full British hallmarks, 2.2cm, 6.3g. 

A PAIR OF SAPPHIRE AND DIAMOND HALF HOOP EARRINGS in 18ct white gold, each designed as a half hoop set with octagonal step cut sapphires accented by round cut diamonds, full British hallmarks, 2.2cm, 6.3g. 

Estimate £1,500 - £2,500

LOT 284

A CEYLON SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 2.57 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, stamped Pt950, size N / 6.75, 7.2g. 

A CEYLON SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 2.57 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, stamped Pt950, size N / 6.75, 7.2g. 

Estimate £4,000 - £6,000