Lot 46

A FANCY LIGHT YELLOW-GREEN DIAMOND RING set with a ...

Lot 46

A FANCY LIGHT YELLOW-GREEN DIAMOND RING set with a ...

Estimate £6,000 - £8,000


Description

A FANCY LIGHT YELLOW-GREEN DIAMOND RING set with a cushion cut green diamond of 1.58 carats, accented by two rows of round brilliant cut diamonds, no assay marks, size M / 6.25, 9.1g. Accompanied by a facsimile GIA report stating that the diamond is natural fancy light yellow-green colour. 

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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

BULGARI, A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in 18ct gold, claw set with a rectangular cushion cut sapphire of approximately 3.16 carats, the mount set with round brilliant cut and step cut diamonds all totalling 1.6-1.8 carats, signed Bvlgari

BULGARI, A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in 18ct gold, claw set with a rectangular cushion cut sapphire of approximately 3.16 carats, the mount set with round brilliant cut and step cut diamonds all totalling 1.6-1.8 carats, signed Bvlgari

Estimate £12,000 - £16,000

LOT 4

VAN CLEEF & ARPELS, A CORAL AND DIAMOND BOW RING in 18ct yellow gold, designed as a bow set with two cabochon corals, accented by round brilliant cut diamonds, signed VCA and numbered, French assay marks, size K1/2 / 5.5, 4.1g. 

VAN CLEEF & ARPELS, A CORAL AND DIAMOND BOW RING in 18ct yellow gold, designed as a bow set with two cabochon corals, accented by round brilliant cut diamonds, signed VCA and numbered, French assay marks, size K1/2 / 5.5, 4.1g. 

Estimate £2,000 - £3,000

LOT 8

A BURMA NO HEAT RUBY AND DIAMOND RING set with an oval cut ruby of 3.98 carats between two oval cut diamonds, the band accented by a row of round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 5.5g. Accompanied by a facsimile gemmological r

A BURMA NO HEAT RUBY AND DIAMOND RING set with an oval cut ruby of 3.98 carats between two oval cut diamonds, the band accented by a row of round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 5.5g. Accompanied by a facsimile gemmological r

Estimate £20,000 - £30,000

LOT 11

A FINE ANTIQUE COLOMBIAN EMERALD AND DIAMOND CLUSTER RING set with an octagonal step cut emerald of 3.65 carats in a cluster of old cut diamonds, no assay marks, size R / 8.75, 5.0g. With a gemmological verbal assessment stating that the emerald is o

A FINE ANTIQUE COLOMBIAN EMERALD AND DIAMOND CLUSTER RING set with an octagonal step cut emerald of 3.65 carats in a cluster of old cut diamonds, no assay marks, size R / 8.75, 5.0g. With a gemmological verbal assessment stating that the emerald is o

Estimate £8,000 - £12,000

LOT 14

A RARE 3.05 CARAT PINK DIAMOND AND DIAMOND CLUSTER RING set with a cushion cut pink diamond of 3.05 carats in a cluster of round brilliant cut pink and white diamonds, the bifurcated shoulders set with further diamonds, the accenting diamonds all tot

A RARE 3.05 CARAT PINK DIAMOND AND DIAMOND CLUSTER RING set with a cushion cut pink diamond of 3.05 carats in a cluster of round brilliant cut pink and white diamonds, the bifurcated shoulders set with further diamonds, the accenting diamonds all tot

Estimate £80,000 - £120,000

LOT 16

AN ART DECO BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with an octagonal step cut sapphire of approximately 2.70 carats, the mount accented by single cut diamonds, continental assay marks, size O / 7.25, 7.2g. With a gemmological verbal assessment s

AN ART DECO BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with an octagonal step cut sapphire of approximately 2.70 carats, the mount accented by single cut diamonds, continental assay marks, size O / 7.25, 7.2g. With a gemmological verbal assessment s

Estimate £15,000 - £20,000

LOT 19

A FINE ART DECO DIAMOND RING set with a central rectangular mixed cut diamond of 2.14 carats, accented by four round brilliant cut diamonds, the shoulders set with single cut diamonds, no assay marks, size N1/2 / 7, 4.7g. Accompanied by a GIA report

A FINE ART DECO DIAMOND RING set with a central rectangular mixed cut diamond of 2.14 carats, accented by four round brilliant cut diamonds, the shoulders set with single cut diamonds, no assay marks, size N1/2 / 7, 4.7g. Accompanied by a GIA report

Estimate £12,000 - £18,000

LOT 24

A FINE ANTIQUE DIAMOND CLUSTER RING in yellow gold and silver, set with an old cut diamond of approximately 2.09 carats, in a cluster of further old cut diamonds, no assay marks, size O / 7.25, 3.4g.

A FINE ANTIQUE DIAMOND CLUSTER RING in yellow gold and silver, set with an old cut diamond of approximately 2.09 carats, in a cluster of further old cut diamonds, no assay marks, size O / 7.25, 3.4g.

Estimate £8,000 - £12,000

LOT 31

A FINE COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 4.04 carats, the mount set with round brilliant cut diamonds and calibre cut emeralds, no assay marks, size P / 7.75, 5.0g. With a gemmological verbal assessment stat

A FINE COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 4.04 carats, the mount set with round brilliant cut diamonds and calibre cut emeralds, no assay marks, size P / 7.75, 5.0g. With a gemmological verbal assessment stat

Estimate £8,000 - £12,000

LOT 34

POMELLATO, A CITRINE STARFISH RING in 18ct rose gold, designed as a starfish, set throughout with cabochon and round cut citrines, signed Pomellato, stamped 750, size P1/2 / 8, 39.4g. 

POMELLATO, A CITRINE STARFISH RING in 18ct rose gold, designed as a starfish, set throughout with cabochon and round cut citrines, signed Pomellato, stamped 750, size P1/2 / 8, 39.4g. 

Estimate £2,500 - £3,500

LOT 38

A DIAMOND AND COLOURED DIAMOND DRESS RING in 18ct white gold, set with a central baguette cut diamond accented by irradiated round cut pink, blue, yellow and green diamonds, full British hallmarks, size S / 9, 15.6g.

A DIAMOND AND COLOURED DIAMOND DRESS RING in 18ct white gold, set with a central baguette cut diamond accented by irradiated round cut pink, blue, yellow and green diamonds, full British hallmarks, size S / 9, 15.6g.

Estimate £1,000 - £1,500

LOT 41

AN AQUAMARINE DIAMOND RING set with a mixed cut aquamarine of 34.53 carats, the shoulders set with baguette and round brilliant cut diamonds, inscribed 35.42 0.70, stamped Pt900, size M / 6.25, 23.2g. 

AN AQUAMARINE DIAMOND RING set with a mixed cut aquamarine of 34.53 carats, the shoulders set with baguette and round brilliant cut diamonds, inscribed 35.42 0.70, stamped Pt900, size M / 6.25, 23.2g. 

Estimate £4,000 - £6,000

LOT 42

A FINE BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cabochon blue sapphire of 12.32 carats in a cluster of old cut diamonds, no assay marks, size P1/2 / 8, 7.5g. Accompanied by a gemmological report stating that the sapphire is of Burmese

A FINE BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cabochon blue sapphire of 12.32 carats in a cluster of old cut diamonds, no assay marks, size P1/2 / 8, 7.5g. Accompanied by a gemmological report stating that the sapphire is of Burmese

Estimate £20,000 - £30,000

LOT 44

BOUCHERON, A DIAMOND, SAPPHIRE AND TSAVORITE GARNET PANDA RING designed as a panda bear, pave set with round brilliant cut diamonds and round cut sapphires, its paws holding a cabochon sapphire resting on a branch set with round cut tsavorite garnets

BOUCHERON, A DIAMOND, SAPPHIRE AND TSAVORITE GARNET PANDA RING designed as a panda bear, pave set with round brilliant cut diamonds and round cut sapphires, its paws holding a cabochon sapphire resting on a branch set with round cut tsavorite garnets

Estimate £8,000 - £12,000

LOT 50

A FINE COLOMBIAN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of 6.91 carats between two round brilliant cut diamonds of 1.03 and 1.02 carats, no assay marks, size O / 7.25, 5.7g. 

A FINE COLOMBIAN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of 6.91 carats between two round brilliant cut diamonds of 1.03 and 1.02 carats, no assay marks, size O / 7.25, 5.7g. 

Estimate £20,000 - £30,000

LOT 53

A FINE TSAVORITE GARNET AND DIAMOND CLUSTER RING set with an oval cut tsavorite garnet of 3.62 carats in a cluster of round brilliant cut diamonds, inscribed 3.623 D1.97, stamped Pt900, size M / 6.25, 9.0g. 

A FINE TSAVORITE GARNET AND DIAMOND CLUSTER RING set with an oval cut tsavorite garnet of 3.62 carats in a cluster of round brilliant cut diamonds, inscribed 3.623 D1.97, stamped Pt900, size M / 6.25, 9.0g. 

Estimate £8,000 - £12,000

LOT 55

A SAPPHIRE AND DIAMOND DRESS RING set with a cabochon sapphire of 10.48 carats, accented by round brilliant cut diamonds, inscribed 10.48 D0.54, stamped K18, size K / 5.25, 12.6g. 

A SAPPHIRE AND DIAMOND DRESS RING set with a cabochon sapphire of 10.48 carats, accented by round brilliant cut diamonds, inscribed 10.48 D0.54, stamped K18, size K / 5.25, 12.6g. 

Estimate £3,000 - £5,000

LOT 60

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING set with a cushion cut sapphire of 5.10 carats in a cluster of old cut diamonds, the diamonds totalling 2.0-2.5 carats, no assay marks, size L1/2 / 6, 5.4g. Accompanied by a gemmological report stati

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING set with a cushion cut sapphire of 5.10 carats in a cluster of old cut diamonds, the diamonds totalling 2.0-2.5 carats, no assay marks, size L1/2 / 6, 5.4g. Accompanied by a gemmological report stati

Estimate £10,000 - £15,000

LOT 61

A FINE COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 5.48 carats in a cluster of round brilliant cut diamonds, inscribed E5.48 D0.89, stamped Pt900, size M / 6.25 9.5g. Accompanied by a gemmological report stating that

A FINE COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 5.48 carats in a cluster of round brilliant cut diamonds, inscribed E5.48 D0.89, stamped Pt900, size M / 6.25 9.5g. Accompanied by a gemmological report stating that

Estimate £12,000 - £18,000

LOT 64

A FINE AQUAMARINE AND DIAMOND CLUSTER RING set with an octagonal step cut aquamarine of approximately 11.50 carats in a cluster of diamonds all totalling 3.8-4.4 carats, stamped 750, size P / 7.75, 12.5g.

A FINE AQUAMARINE AND DIAMOND CLUSTER RING set with an octagonal step cut aquamarine of approximately 11.50 carats in a cluster of diamonds all totalling 3.8-4.4 carats, stamped 750, size P / 7.75, 12.5g.

Estimate £5,000 - £7,000

LOT 66

AN ANTIQUE GEORGIAN AMETHYST AND PEARL RING, EARLY 19TH CENTURY in yellow gold, set with a polished cushion shaped cabochon amethyst in a border of pearls, accented to the shouldAMETHYST AND SPLIT PEARL RING in gold, approximate finger size L, 4.5g. 

AN ANTIQUE GEORGIAN AMETHYST AND PEARL RING, EARLY 19TH CENTURY in yellow gold, set with a polished cushion shaped cabochon amethyst in a border of pearls, accented to the shouldAMETHYST AND SPLIT PEARL RING in gold, approximate finger size L, 4.5g. 

Estimate £600 - £800

LOT 69

TIFFANY & CO., A DIAMOND VICTORIA FULL ETERNITY RING set all around with clusters of four marquise cut diamonds designed in a floral motif, accented by round brilliant cut diamonds, the diamonds totalling approximately 1.93 carats, signed T & Co. and

TIFFANY & CO., A DIAMOND VICTORIA FULL ETERNITY RING set all around with clusters of four marquise cut diamonds designed in a floral motif, accented by round brilliant cut diamonds, the diamonds totalling approximately 1.93 carats, signed T & Co. and

Estimate £6,000 - £8,000

LOT 70

A FINE NATURAL FANCY YELLOW DIAMOND AND WHITE 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 th

A FINE NATURAL FANCY YELLOW DIAMOND AND WHITE 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 th

Estimate £12,000 - £18,000

LOT 72

A DIAMOND DRESS RING set with five rows of round brilliant cut diamonds all totalling 5.5-6.0 carats, stamped 18K, size T1/2 / 9.75, 15.4g. 

A DIAMOND DRESS RING set with five rows of round brilliant cut diamonds all totalling 5.5-6.0 carats, stamped 18K, size T1/2 / 9.75, 15.4g. 

Estimate £3,000 - £5,000

LOT 75

CARTIER, A DIAMOND AND ROCK CRYSTAL RING, 1992 in 18ct yellow gold, comprising a section of round brilliant cut diamonds beneath a polished rock crystal dome, Cartier signature obscured, dated 1992, size K / 5.25, 14.2g. 

CARTIER, A DIAMOND AND ROCK CRYSTAL RING, 1992 in 18ct yellow gold, comprising a section of round brilliant cut diamonds beneath a polished rock crystal dome, Cartier signature obscured, dated 1992, size K / 5.25, 14.2g. 

Estimate £2,500 - £3,500

LOT 76

A VINTAGE CITRINE DRESS RING in yellow gold, set with an oval cut citrine, no assay marks, size M / 6.25, 19.2g. 

A VINTAGE CITRINE DRESS RING in yellow gold, set with an oval cut citrine, no assay marks, size M / 6.25, 19.2g. 

Estimate £1,000 - £1,500

LOT 80

ATTR. ROBERTO COIN, AN ENAMEL, RUBY AND DIAMOND FISH RING designed as a coiled fish, relieved in black enamel and accented by round brilliant cut diamonds, the eyes set with round cabochon rubies, Italian assay marks, size R / 8.5, 17.7g. 

ATTR. ROBERTO COIN, AN ENAMEL, RUBY AND DIAMOND FISH RING designed as a coiled fish, relieved in black enamel and accented by round brilliant cut diamonds, the eyes set with round cabochon rubies, Italian assay marks, size R / 8.5, 17.7g. 

Estimate £2,000 - £3,000

LOT 83

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 4.47 carats in a border of tapered baguette cut diamonds, inscribed 4.47 D1.30, stamped Pt900, size O1/2 / 7.5, 13.2g. 

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 4.47 carats in a border of tapered baguette cut diamonds, inscribed 4.47 D1.30, stamped Pt900, size O1/2 / 7.5, 13.2g. 

Estimate £7,000 - £9,000

LOT 87

A FINE COLOMBIAN EMERALD AND DIAMOND RING in 18ct yellow gold, set with an oval cut emerald of 2.69 carats between two heart cut diamonds both totalling 0.35 carats, French assay marks, size J1/2 / 5, 4.4g. Accompanied by a facsimile GIA report stati

A FINE COLOMBIAN EMERALD AND DIAMOND RING in 18ct yellow gold, set with an oval cut emerald of 2.69 carats between two heart cut diamonds both totalling 0.35 carats, French assay marks, size J1/2 / 5, 4.4g. Accompanied by a facsimile GIA report stati

Estimate £6,000 - £8,000

LOT 90

AN IMPORTANT 30.75 CARAT BURMA NO HEAT PURPLE SAPPHIRE RING in platinum, set with a cushion cut purple sapphire of 30.75 carats, full British hallmarks, stamped PT950, size M / 6.25, 16.2g. Accompanied by a Gubelin report stating that the purple sapp

AN IMPORTANT 30.75 CARAT BURMA NO HEAT PURPLE SAPPHIRE RING in platinum, set with a cushion cut purple sapphire of 30.75 carats, full British hallmarks, stamped PT950, size M / 6.25, 16.2g. Accompanied by a Gubelin report stating that the purple sapp

Estimate £200,000 - £300,000

LOT 91

AN ALEXANDRITE AND DIAMOND RING set with three oval cut alexandrites accented by a row of baguette cut diamonds, accented by rows of round brilliant cut diamonds, the alexandrites all totalling 0.38 carats, the diamonds all totalling 0.69 carats, ins

AN ALEXANDRITE AND DIAMOND RING set with three oval cut alexandrites accented by a row of baguette cut diamonds, accented by rows of round brilliant cut diamonds, the alexandrites all totalling 0.38 carats, the diamonds all totalling 0.69 carats, ins

Estimate £2,500 - £3,500

LOT 94

A FINE BURMESE RUBY AND DIAMOND RING set with an oval cut ruby of 2.62 carats in a cluster of round brilliant cut diamonds, the shoulders set with baguette and round brilliant cut diamonds, inscribed R2.62 D 1.72, stamped Pt900, size O1/2 / 7.5, 13.0

A FINE BURMESE RUBY AND DIAMOND RING set with an oval cut ruby of 2.62 carats in a cluster of round brilliant cut diamonds, the shoulders set with baguette and round brilliant cut diamonds, inscribed R2.62 D 1.72, stamped Pt900, size O1/2 / 7.5, 13.0

Estimate £6,000 - £8,000

LOT 97

AN AMETHYST AND DIAMOND RING set with a checkerboard cut cushion shaped amethyst of approximately 19.50 carats, in a border of round brilliant cut diamonds, stamped 750, Italian assay marks, size N1/2 / 7, 24.3g.

AN AMETHYST AND DIAMOND RING set with a checkerboard cut cushion shaped amethyst of approximately 19.50 carats, in a border of round brilliant cut diamonds, stamped 750, Italian assay marks, size N1/2 / 7, 24.3g.

Estimate £2,500 - £3,500

LOT 100

A TURQUOISE AND DIAMOND DRESS RING set with fancy shaped sections of turquoise and accented by pave set round brilliant cut diamonds, stamped Au750, size P / 7.75, 17.8g. 

A TURQUOISE AND DIAMOND DRESS RING set with fancy shaped sections of turquoise and accented by pave set round brilliant cut diamonds, stamped Au750, size P / 7.75, 17.8g. 

Estimate £3,000 - £5,000

LOT 102

A COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 2.10 carats between two baguette cut diamonds, inscribed E2.10 D0.29, stamped Pt900, size M / 6.25, 7.2g. Accompanied by a facsimile gemmological report stating that the e

A COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 2.10 carats between two baguette cut diamonds, inscribed E2.10 D0.29, stamped Pt900, size M / 6.25, 7.2g. Accompanied by a facsimile gemmological report stating that the e

Estimate £5,000 - £7,000

LOT 105

A COLOURED DIAMOND DRESS RING set with a marquise cut fancy intense orange-yellow diamond of 0.44 carats accented by alternating sections of round brilliant cut pink and white diamonds, inscribed 0.417 D0.44 0.416, stamped Pt950, size L / 5.75, 7.5g.

A COLOURED DIAMOND DRESS RING set with a marquise cut fancy intense orange-yellow diamond of 0.44 carats accented by alternating sections of round brilliant cut pink and white diamonds, inscribed 0.417 D0.44 0.416, stamped Pt950, size L / 5.75, 7.5g.

Estimate £2,500 - £3,500

LOT 109

A FINE UNHEATED SPINEL AND DIAMOND RING set with a cushion cut spinel of approximately 2.88 carats, accented on each side by baguette cut diamonds, no assay marks, size O1/2 / 7.5, 3.0g. Accompanied by a gemmological report stating that the spinel is

A FINE UNHEATED SPINEL AND DIAMOND RING set with a cushion cut spinel of approximately 2.88 carats, accented on each side by baguette cut diamonds, no assay marks, size O1/2 / 7.5, 3.0g. Accompanied by a gemmological report stating that the spinel is

Estimate £3,000 - £5,000

LOT 112

AN ANTIQUE DIAMOND CLUSTER RING, 19TH CENTURY in yellow gold and silver, set with an old cut diamond of approximately 1.22 carats in a cluster of old cut diamonds, no assay marks, size L / 5.75, 4.8g. 

AN ANTIQUE DIAMOND CLUSTER RING, 19TH CENTURY in yellow gold and silver, set with an old cut diamond of approximately 1.22 carats in a cluster of old cut diamonds, no assay marks, size L / 5.75, 4.8g. 

Estimate £3,000 - £5,000

LOT 115

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 1.25 carats in a cluster of round brilliant cut diamonds, stamped 14K, size M / 6.25, 5.0g. 

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 1.25 carats in a cluster of round brilliant cut diamonds, stamped 14K, size M / 6.25, 5.0g. 

Estimate £2,500 - £3,500

LOT 116

MARINA B, A SAPPHIRE AND DIAMOND RING set with a pear cut sapphire, the band pave set with round brilliant cut diamonds, signed Marina B, stamped 750, size N1/2 / 7, 4.1g. 

MARINA B, A SAPPHIRE AND DIAMOND RING set with a pear cut sapphire, the band pave set with round brilliant cut diamonds, signed Marina B, stamped 750, size N1/2 / 7, 4.1g. 

Estimate £1,000 - £15,000

LOT 119

A DIAMOND AND SAPPHIRE TARGET RING set with a round brilliant cut diamond in concentric borders of calibre cut sapphires and further round brilliant cut diamonds, stamped 750, size N1/2 / 7, 3.6g. 

A DIAMOND AND SAPPHIRE TARGET RING set with a round brilliant cut diamond in concentric borders of calibre cut sapphires and further round brilliant cut diamonds, stamped 750, size N1/2 / 7, 3.6g. 

Estimate £2,000 - £3,000

LOT 121

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 2.42 carats in a cluster of round brilliant cut diamonds, stamped 18ct plat, size O / 7.25, 4.3g. 

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 2.42 carats in a cluster of round brilliant cut diamonds, stamped 18ct plat, size O / 7.25, 4.3g. 

Estimate £3,000 - £5,000

LOT 124

A MUGHAL CARVED EMERALD AND DIAMOND RING set with a large Mughal carved emerald, accented by pave set round brilliant cut diamonds, stamped 18K, size O1/2 / 7.5, 36.0g. 

A MUGHAL CARVED EMERALD AND DIAMOND RING set with a large Mughal carved emerald, accented by pave set round brilliant cut diamonds, stamped 18K, size O1/2 / 7.5, 36.0g. 

Estimate £5,000 - £7,000

LOT 127

A STAR SAPPHIRE AND DIAMOND CLUSTER RING set with a cabochon star sapphire of approximately 12.89 carats in a cluster of round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 8.4g. 

A STAR SAPPHIRE AND DIAMOND CLUSTER RING set with a cabochon star sapphire of approximately 12.89 carats in a cluster of round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 8.4g. 

Estimate £2,000 - £3,000

LOT 129

A FINE EMERALD AND DIAMOND RING set with an octagonal step cut emerald of approximately 1.28 carats in a border of pear and round brilliant cut diamonds, the band set with further diamonds, stamped 18K, size N / 6.75, 4.2g. 

A FINE EMERALD AND DIAMOND RING set with an octagonal step cut emerald of approximately 1.28 carats in a border of pear and round brilliant cut diamonds, the band set with further diamonds, stamped 18K, size N / 6.75, 4.2g. 

Estimate £4,000 - £6,000

LOT 132

AN INVISIBLY SET SAPPHIRE BOMBE RING the domed ring set with seven rows of invisibly set square step cut sapphires, stamped 750, size L / 5.75, 9.1g. 

AN INVISIBLY SET SAPPHIRE BOMBE RING the domed ring set with seven rows of invisibly set square step cut sapphires, stamped 750, size L / 5.75, 9.1g. 

Estimate £4,000 - £6,000

LOT 134

AN ORANGE SAPPHIRE AND DIAMOND RING set with an octagonal step cut orange sapphire of 6.52 carats, the stepped shoulders set with single cut diamonds, no assay marks, size O1/2 / 7.5, 5.9g. 

AN ORANGE SAPPHIRE AND DIAMOND RING set with an octagonal step cut orange sapphire of 6.52 carats, the stepped shoulders set with single cut diamonds, no assay marks, size O1/2 / 7.5, 5.9g. 

Estimate £3,000 - £5,000

LOT 136

AN UNHEATED PURPLISH PINK SAPPHIRE AND DIAMOND RING set with a cushion cut pink sapphire of 3.05 carats in a cluster of round brilliant cut diamonds,  inscribed 3.05 D2.44, stamped Pt900, size L1/2 / 6, 10.6g. Accompanied by a facsimile GIA report st

AN UNHEATED PURPLISH PINK SAPPHIRE AND DIAMOND RING set with a cushion cut pink sapphire of 3.05 carats in a cluster of round brilliant cut diamonds,  inscribed 3.05 D2.44, stamped Pt900, size L1/2 / 6, 10.6g. Accompanied by a facsimile GIA report st

Estimate £8,000 - £12,000

LOT 139

A GREEN TOURMALINE AND DIAMOND RING set with an oval cut green tourmaline of 2.82 carats, the stepped shoulders set with round brilliant cut diamonds, inscribed 2.82 D0.50, stamped Pt900, size M / 6.25, 12.7g.

A GREEN TOURMALINE AND DIAMOND RING set with an oval cut green tourmaline of 2.82 carats, the stepped shoulders set with round brilliant cut diamonds, inscribed 2.82 D0.50, stamped Pt900, size M / 6.25, 12.7g.

Estimate £1,200 - £1,600

LOT 142

A DEMANTOID GARNET AND DIAMOND RING set with an oval cut demantoid garnet of 0.45 carats in a cluster of round brilliant cut diamonds, the shoulders set with further diamonds, inscribed 0453 D0.84, stamped Pt900, size N / 6.75, 6.3g. 

A DEMANTOID GARNET AND DIAMOND RING set with an oval cut demantoid garnet of 0.45 carats in a cluster of round brilliant cut diamonds, the shoulders set with further diamonds, inscribed 0453 D0.84, stamped Pt900, size N / 6.75, 6.3g. 

Estimate £1,000 - £1,500

LOT 145

A VINTAGE EMERALD AND DIAMOND DRESS RING in 18ct white gold, set with an oval cabochon emerald of approximately 7.10 carats, the shoulders set with tapered baguette cut diamonds, stamped 18K, size M / 6.25, 6.5g.

A VINTAGE EMERALD AND DIAMOND DRESS RING in 18ct white gold, set with an oval cabochon emerald of approximately 7.10 carats, the shoulders set with tapered baguette cut diamonds, stamped 18K, size M / 6.25, 6.5g.

Estimate £2,000 - £3,000

LOT 146

SABBADINI, A SAPPHIRE AND EMERALD BOMBE RING in honeycomb design, set with hexagonal step cut sapphires and emeralds, signed Sabbadini Milano, stamped 750, size M1/2 / 6.5, 14.7g. 

SABBADINI, A SAPPHIRE AND EMERALD BOMBE RING in honeycomb design, set with hexagonal step cut sapphires and emeralds, signed Sabbadini Milano, stamped 750, size M1/2 / 6.5, 14.7g. 

Estimate £4,000 - £6,000

LOT 148

A 13.17 CARAT SAPPHIRE AND DIAMOND CLUSTER RING set with a cushion cut sapphire of 13.17 carats in a cluster of round brilliant cut diamonds, the bifurcated shoulders set with further round brilliant cut diamonds, the diamonds all totalling 2.8-3.0 c

A 13.17 CARAT SAPPHIRE AND DIAMOND CLUSTER RING set with a cushion cut sapphire of 13.17 carats in a cluster of round brilliant cut diamonds, the bifurcated shoulders set with further round brilliant cut diamonds, the diamonds all totalling 2.8-3.0 c

Estimate £20,000 - £30,000

LOT 155

AN ANTIQUE DIAMOND RING, 19TH CENTURY in yellow gold and silver, set to the centre with a rose cut diamond of 0.97 carats, accented by rose and old cut diamonds, the diamonds all totalling 3.5-4.0 carats, no assay marks, size N1/2 / 7, 5.2g. 

AN ANTIQUE DIAMOND RING, 19TH CENTURY in yellow gold and silver, set to the centre with a rose cut diamond of 0.97 carats, accented by rose and old cut diamonds, the diamonds all totalling 3.5-4.0 carats, no assay marks, size N1/2 / 7, 5.2g. 

Estimate £4,000 - £6,000

LOT 157

A FINE UNHEATED SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 4.05 carats between two half moon cut diamonds both totalling 0.55 carats, stamped PLAT, size N / 6.75, 5.5g. Accompanied by a facsimile GIA report stating that the sapphire

A FINE UNHEATED SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 4.05 carats between two half moon cut diamonds both totalling 0.55 carats, stamped PLAT, size N / 6.75, 5.5g. Accompanied by a facsimile GIA report stating that the sapphire

Estimate £8,000 - £12,000

LOT 159

AN ANTIQUE DIAMOND THREE STONE RING in yellow gold and silver, set with three rose cut diamonds, no assay marks, size P / 7.75, 4.7g. 

AN ANTIQUE DIAMOND THREE STONE RING in yellow gold and silver, set with three rose cut diamonds, no assay marks, size P / 7.75, 4.7g. 

Estimate £6,000 - £8,000

LOT 160

A CEYLON SAPPHRIE AND DIAMOND RING set with an octagonal step cut sapphire of 6.86 carats, accented on each side by a trillion cut diamond, the band set with round brilliant cut diamonds, stamped 18K, size N / 6.75, 4.7g. Accompanied by a gemmologica

A CEYLON SAPPHRIE AND DIAMOND RING set with an octagonal step cut sapphire of 6.86 carats, accented on each side by a trillion cut diamond, the band set with round brilliant cut diamonds, stamped 18K, size N / 6.75, 4.7g. Accompanied by a gemmologica

Estimate £8,000 - £12,000

LOT 162

BULGARI, A FINE CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of approximately 10.68 carats, accented by marquise cut diamonds, signed Bulgari, stamped 750, size K1/2 / 5.5, 14.8g. Accompanied by facsimile gemmological report

BULGARI, A FINE CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of approximately 10.68 carats, accented by marquise cut diamonds, signed Bulgari, stamped 750, size K1/2 / 5.5, 14.8g. Accompanied by facsimile gemmological report

Estimate £15,000 - £20,000

LOT 163

A CEYLON NO HEAT YELLOW SAPPHIRE AND DIAMOND RING set with a cushion cut yellow sapphire of 9.16 carats between two tapered baguette cut diamonds, marked indistinctly, size M / 6.25, 7.3g. Accompanied by a facsimile GIA report stating that the yellow

A CEYLON NO HEAT YELLOW SAPPHIRE AND DIAMOND RING set with a cushion cut yellow sapphire of 9.16 carats between two tapered baguette cut diamonds, marked indistinctly, size M / 6.25, 7.3g. Accompanied by a facsimile GIA report stating that the yellow

Estimate £6,000 - £8,000

LOT 166

A MOONSTONE, GREEN TOURMALINE, TSAVORITE GARNET, CAT'S EYE CHRYSOBERYL AND DIAMOND COCKTAIL RING set with a large cabochon green moonstone of 58.34 carats in a border of variously cut green tourmalines, tsavorite garnets, cat's eye chrysoberyls and d

A MOONSTONE, GREEN TOURMALINE, TSAVORITE GARNET, CAT'S EYE CHRYSOBERYL AND DIAMOND COCKTAIL RING set with a large cabochon green moonstone of 58.34 carats in a border of variously cut green tourmalines, tsavorite garnets, cat's eye chrysoberyls and d

Estimate £2,500 - £3,500

LOT 167

POMELLATO, A ROCK CRYSTAL AND DIAMOND DRESS RING set with a fancy cut rock crystal of approximately 22.46 carats accented by round brilliant cut diamonds, the diamonds all totalling 2.0-2.2 carats, signed Pomellato, stamped 750, size M1/2 / 6.5, 27.1

POMELLATO, A ROCK CRYSTAL AND DIAMOND DRESS RING set with a fancy cut rock crystal of approximately 22.46 carats accented by round brilliant cut diamonds, the diamonds all totalling 2.0-2.2 carats, signed Pomellato, stamped 750, size M1/2 / 6.5, 27.1

Estimate £3,000 - £5,000

LOT 169

A RUBY AND DIAMOND CLUSTER RING set with an oval cabochon ruby of approximately 7.01 carats in a cluster of single cut diamonds, no assay marks, size M / 6.25, 5.1g. 

A RUBY AND DIAMOND CLUSTER RING set with an oval cabochon ruby of approximately 7.01 carats in a cluster of single cut diamonds, no assay marks, size M / 6.25, 5.1g. 

Estimate £3,500 - £4,500

LOT 175

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 24.19 carats in a border of tapered baguette and round brilliant cut diamonds, inscribed 24.197 D2.58, stamped Pt900, size M1/2 / 6.5, 28.3g.

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 24.19 carats in a border of tapered baguette and round brilliant cut diamonds, inscribed 24.197 D2.58, stamped Pt900, size M1/2 / 6.5, 28.3g.

Estimate £10,000 - £15,000

LOT 183

VHERNIER, A PINK CHALCEDONY WAVE RING in 18ct gold, the undulating body set with a polished piece of pink chalcedony, signed Vhernier and numbered, stamped 750, size K1/2 / 5.75, 12.9g.

VHERNIER, A PINK CHALCEDONY WAVE RING in 18ct gold, the undulating body set with a polished piece of pink chalcedony, signed Vhernier and numbered, stamped 750, size K1/2 / 5.75, 12.9g.

Estimate £1,500 - £2,500

LOT 185

AN ANTIQUE DIAMOND CROWN RING in yellow gold and silver, set with a pear shaped rose cut diamond measuring approximately 9.8mm x 9.0mm, surmounted by a crown set with further rose cut diamonds, no assay marks, size O1/2 / 7.5, 3.7g.  

AN ANTIQUE DIAMOND CROWN RING in yellow gold and silver, set with a pear shaped rose cut diamond measuring approximately 9.8mm x 9.0mm, surmounted by a crown set with further rose cut diamonds, no assay marks, size O1/2 / 7.5, 3.7g.  

Estimate £6,000 - £8,000

LOT 188

AN ANTIQUE EMERALD AND DIAMOND LOCKET RING in yellow gold and silver, set with a cushion cut emerald of approximately 0.70 carats in a cluster of old cut diamonds, with a locket compartment to the reverse, no assay marks, sizeL / 5.75, 4.0g. 

AN ANTIQUE EMERALD AND DIAMOND LOCKET RING in yellow gold and silver, set with a cushion cut emerald of approximately 0.70 carats in a cluster of old cut diamonds, with a locket compartment to the reverse, no assay marks, sizeL / 5.75, 4.0g. 

Estimate £1,500 - £2,500

LOT 189

A FINE EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of 1.21 carats between two round brilliant cut diamonds, stamped IRID PLAT, size K / 5.25, 4.1g. 

A FINE EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of 1.21 carats between two round brilliant cut diamonds, stamped IRID PLAT, size K / 5.25, 4.1g. 

Estimate £4,000 - £6,000

LOT 192

A GREEN TOURMALINE AND DIAMOND RING set with an oval cut green tourmaline of 1.11 carats, accented by two rows of round brilliant cut diamonds, inscribed 1.11ct D0.25, stamped Pt900, size O / 7.25, 8.6g.

A GREEN TOURMALINE AND DIAMOND RING set with an oval cut green tourmaline of 1.11 carats, accented by two rows of round brilliant cut diamonds, inscribed 1.11ct D0.25, stamped Pt900, size O / 7.25, 8.6g.

Estimate £700 - £900

LOT 193

A GREEN TOURMALINE AND DIAMOND RING set with a fancy cut green tourmaline of 4.82 carats, accented by round brilliant cut diamonds, inscribed 4824 0156, stamped Pt900, size M / 6.25, 10.3g. 

A GREEN TOURMALINE AND DIAMOND RING set with a fancy cut green tourmaline of 4.82 carats, accented by round brilliant cut diamonds, inscribed 4824 0156, stamped Pt900, size M / 6.25, 10.3g. 

Estimate £1,000 - £1,500

LOT 197

A VINTAGE TURQUOISE AND LAPIS LAZULI COCKTAIL RING set with a cabochon turquoise in a border of marquise cabochon lapis lazuli and turquoise, accented by rope work, stamped 14K, size M / 6.25, 8.1g.

A VINTAGE TURQUOISE AND LAPIS LAZULI COCKTAIL RING set with a cabochon turquoise in a border of marquise cabochon lapis lazuli and turquoise, accented by rope work, stamped 14K, size M / 6.25, 8.1g.

Estimate £1,000 - £1,500

LOT 201

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 3.62 carats in a double halo of round brilliant cut diamonds, the bifurcated band set with further diamonds, stamped PLAT, size L / 5.75, 10.4g. 

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 3.62 carats in a double halo of round brilliant cut diamonds, the bifurcated band set with further diamonds, stamped PLAT, size L / 5.75, 10.4g. 

Estimate £5,000 - £7,000

LOT 204

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 0.82 carats in a cluster of round brilliant cut diamonds, inscribed 0.82 0.48, stamped Pt900, size M / 6.25, 3.8g. 

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 0.82 carats in a cluster of round brilliant cut diamonds, inscribed 0.82 0.48, stamped Pt900, size M / 6.25, 3.8g. 

Estimate £600 - £800

LOT 209

AN ANTIQUE RUBY AND DIAMOND RING in yellow gold and silver, set with an oval ruby in a cluster of rose cut diamonds, no assay marks, size N 1/2 / 7, 4.54g. 

AN ANTIQUE RUBY AND DIAMOND RING in yellow gold and silver, set with an oval ruby in a cluster of rose cut diamonds, no assay marks, size N 1/2 / 7, 4.54g. 

Estimate £3,000 - £5,000

LOT 210

A RUBY AND DIAMOND DRESS RING set with a round brilliant cut diamond and four oval cut rubies, accented by a border of round brilliant cut diamonds, inscribed 2.85 D 0.70, stamped Pt900, size L / 5.75, 10.3g. 

A RUBY AND DIAMOND DRESS RING set with a round brilliant cut diamond and four oval cut rubies, accented by a border of round brilliant cut diamonds, inscribed 2.85 D 0.70, stamped Pt900, size L / 5.75, 10.3g. 

Estimate £1,500 - £2,500

LOT 212

MARINA B., A PURPLE SAPPHIRE AND DIAMOND RING set with a pear cut purple sapphire, the band pave set with round brilliant cut diamonds, signed Marina B, stamped 750, size M1/2 / 6.5, 4.5g. 

MARINA B., A PURPLE SAPPHIRE AND DIAMOND RING set with a pear cut purple sapphire, the band pave set with round brilliant cut diamonds, signed Marina B, stamped 750, size M1/2 / 6.5, 4.5g. 

Estimate £1,200 - £1,600

LOT 213

A RUBELLITE TOURMALINE AND DIAMOND RING set with an oval cut rubellite of 4.16 carats, the shoulders set with trillion and round brilliant cut diamonds, inscribed 4.16 D 0.49, stamped Pt900, size L / 5.75, 8.0g. 

A RUBELLITE TOURMALINE AND DIAMOND RING set with an oval cut rubellite of 4.16 carats, the shoulders set with trillion and round brilliant cut diamonds, inscribed 4.16 D 0.49, stamped Pt900, size L / 5.75, 8.0g. 

Estimate £1,500 - £2,500

LOT 215

A FINE ART DECO RUBY AND DIAMOND RING set with a cushion cut ruby of 2.64 carats, accented by single cut diamonds, no assay marks, size M1/2 / 6.5, 4.0g. 

A FINE ART DECO RUBY AND DIAMOND RING set with a cushion cut ruby of 2.64 carats, accented by single cut diamonds, no assay marks, size M1/2 / 6.5, 4.0g. 

Estimate £4,000 - £6,000

LOT 217

A BURMA NO HEAT STAR RUBY AND DIAMOND RING set with an oval cabochon star ruby of 13.61 carats, accented by round brilliant cut diamonds, inscribed 13.61 0.76, stamped Pt900, size M / 6.25, 12.7g. Accompanied by a gemmological report stating that the

A BURMA NO HEAT STAR RUBY AND DIAMOND RING set with an oval cabochon star ruby of 13.61 carats, accented by round brilliant cut diamonds, inscribed 13.61 0.76, stamped Pt900, size M / 6.25, 12.7g. Accompanied by a gemmological report stating that the

Estimate £6,000 - £8,000

LOT 219

BOUCHERON, A SOLITAIRE DIAMOND FACETTE RING in platinum, set with a round brilliant cut diamond of 0.54 carats, the band of facetted design, signed Boucheron and numbered, French assay marks, size G1/2 / 3.5, 4.5g. Accompanied by a gemmological repor

BOUCHERON, A SOLITAIRE DIAMOND FACETTE RING in platinum, set with a round brilliant cut diamond of 0.54 carats, the band of facetted design, signed Boucheron and numbered, French assay marks, size G1/2 / 3.5, 4.5g. Accompanied by a gemmological repor

Estimate £1,500 - £2,500

LOT 227

A PINK SAPPHIRE AND DIAMOND HEART RING set with a heart cut pink sapphire of 2.13 carats in a border of round brilliant cut diamonds, inscribed 2.134 0.53, stamped Pt900, size L1/2 / 6, 5.7g. 

A PINK SAPPHIRE AND DIAMOND HEART RING set with a heart cut pink sapphire of 2.13 carats in a border of round brilliant cut diamonds, inscribed 2.134 0.53, stamped Pt900, size L1/2 / 6, 5.7g. 

Estimate £1,200 - £1,600

LOT 229

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 2.71 carats, the band accented by round brilliant cut diamonds, stamped PLAT, size M / 6.25, 4.1g. With a gemmological verbal assessment stating that the sapphire is of Burm

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 2.71 carats, the band accented by round brilliant cut diamonds, stamped PLAT, size M / 6.25, 4.1g. With a gemmological verbal assessment stating that the sapphire is of Burm

Estimate £5,000 - £7,000

LOT 231

A FINE RUBY AND DIAMOND RING set with a cushion cut ruby of 2.01 carats, the band set with princess and round brilliant cut diamonds, the diamonds all totalling 1.0-1.1 carats, stamped 750, size L / 5.75, 5.3g.

A FINE RUBY AND DIAMOND RING set with a cushion cut ruby of 2.01 carats, the band set with princess and round brilliant cut diamonds, the diamonds all totalling 1.0-1.1 carats, stamped 750, size L / 5.75, 5.3g.

Estimate £5,000 - £7,000

LOT 232

SILVIA FURMANOVICH, A PAINTED WOOD AND DIAMOND BUTTERFLY RING the butterfly comprising carved and painted wood, the band set all around with a row of round brilliant cut diamonds, SF maker's mark, stamped 750, size M1/2 / 6.5, 7.8g. 

SILVIA FURMANOVICH, A PAINTED WOOD AND DIAMOND BUTTERFLY RING the butterfly comprising carved and painted wood, the band set all around with a row of round brilliant cut diamonds, SF maker's mark, stamped 750, size M1/2 / 6.5, 7.8g. 

Estimate £1,000 - £1,500

LOT 234

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 1.80 carats, the band accented by baguette and round brilliant cut diamonds, stamped K18 Pt950, size N / 6.75, 8.0g. Accompanied by a facsimile gemmological report stating tha

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 1.80 carats, the band accented by baguette and round brilliant cut diamonds, stamped K18 Pt950, size N / 6.75, 8.0g. Accompanied by a facsimile gemmological report stating tha

Estimate £6,000 - £8,000

LOT 237

A BURMESE RUBY AND DIAMOND THREE STONE RING set with an octagonal step cut ruby of 1.25 carats between two baguette cut diamonds both totalling 0.36 carats, inscribed 1.251 0.36, stamped Pt900, size L / 5.75, 4.3g. 

A BURMESE RUBY AND DIAMOND THREE STONE RING set with an octagonal step cut ruby of 1.25 carats between two baguette cut diamonds both totalling 0.36 carats, inscribed 1.251 0.36, stamped Pt900, size L / 5.75, 4.3g. 

Estimate £2,500 - £3,500