Lot 63

A MOTHER OF PEARL, JADEITE JADE AND DIAMOND DRESS ...

Lot 63

A MOTHER OF PEARL, JADEITE JADE AND DIAMOND DRESS ...

Estimate £400 - £600


Description

A MOTHER OF PEARL, JADEITE JADE AND DIAMOND DRESS RING set with alternating panels of mother of pearl and jadeite jade, accented by a border of round brilliant cut diamonds, inscribed D0.43, stamped 18K 750, size M1/2 / 6.5, 9.7g. 

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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

NO RESERVE - AN EMERALD, RUBY AND DIAMOND REVERSIBLE RING the band half set with a row of step cut emeralds and rubies, flanked by articulated rows of round cut diamonds, no assay marks, size L / 5.75, 4.3g. 

NO RESERVE - AN EMERALD, RUBY AND DIAMOND REVERSIBLE RING the band half set with a row of step cut emeralds and rubies, flanked by articulated rows of round cut diamonds, no assay marks, size L / 5.75, 4.3g. 

Estimate £200 - £300

LOT 6

CARTIER, AN AQUAMARINE TANK RING in 18ct white gold, set with a buff top cabochon aquamarine, signed Cartier 1999 and numbered, stamped 750, French assay marks, size O / 7.25, 9.6g. 

CARTIER, AN AQUAMARINE TANK RING in 18ct white gold, set with a buff top cabochon aquamarine, signed Cartier 1999 and numbered, stamped 750, French assay marks, size O / 7.25, 9.6g. 

Estimate £600 - £800

LOT 10

AN EMERALD AND DIAMOND GYPSY RING in 18ct yellow gold, set with a round cut emerald between two round brilliant cut diamonds, full British hallmarks, size N / 6.75, 11.3g. 

AN EMERALD AND DIAMOND GYPSY RING in 18ct yellow gold, set with a round cut emerald between two round brilliant cut diamonds, full British hallmarks, size N / 6.75, 11.3g. 

Estimate £600 - £800

LOT 11

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 3.90 carats in a border of single cut diamonds, stamped 18CT, size L1/2 / 5, 3.6g. With a facsimile gemmological report stating that the sapphire is of Ceylon (Sri Lankan) or

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 3.90 carats in a border of single cut diamonds, stamped 18CT, size L1/2 / 5, 3.6g. With a facsimile gemmological report stating that the sapphire is of Ceylon (Sri Lankan) or

Estimate £3,000 - £5,000

LOT 14

AN ANTIQUE SOLITAIRE DIAMOND RING set with an old cut diamond of approximately 0.56 carats, the shoulders set with single cut diamonds, no assay marks, size I / 4.25, 2.4g. 

AN ANTIQUE SOLITAIRE DIAMOND RING set with an old cut diamond of approximately 0.56 carats, the shoulders set with single cut diamonds, no assay marks, size I / 4.25, 2.4g. 

Estimate £400 - £600

LOT 16

A DIAMOND AND EMERALD SNAKE RING designed as a coiled snake set with single cut diamonds, the eyes set with round cut emeralds, stamped 750, size M1/2 / 6.5, 5.8g. 

A DIAMOND AND EMERALD SNAKE RING designed as a coiled snake set with single cut diamonds, the eyes set with round cut emeralds, stamped 750, size M1/2 / 6.5, 5.8g. 

Estimate £300 - £500

LOT 19

A DIAMOND GYPSY RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 1.20 carats, full British hallmarks, size T1/2 / 10, 11.0g. 

A DIAMOND GYPSY RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 1.20 carats, full British hallmarks, size T1/2 / 10, 11.0g. 

Estimate £1,000 - £1,500

LOT 21

A YELLOW SAPPHIRE AND DIAMOND RING set with a round cut yellow sapphire of approximately 1.64 carats, the band accented by rows of round brilliant cut diamonds, stamped PLAT 18K, size O / 7.25, 12.0g. 

A YELLOW SAPPHIRE AND DIAMOND RING set with a round cut yellow sapphire of approximately 1.64 carats, the band accented by rows of round brilliant cut diamonds, stamped PLAT 18K, size O / 7.25, 12.0g. 

Estimate £600 - £800

LOT 24

PICCHIOTTI, AN AMETHYST AND DIAMOND DRESS RING in 18ct white gold, set with a cushion cut amethyst of approximately 7.81 carats, accented by round brilliant cut diamonds, full British hallmarks, stamped 750, size M / 6.25, 13.0g. Accompanied by a Pic

PICCHIOTTI, AN AMETHYST AND DIAMOND DRESS RING in 18ct white gold, set with a cushion cut amethyst of approximately 7.81 carats, accented by round brilliant cut diamonds, full British hallmarks, stamped 750, size M / 6.25, 13.0g. Accompanied by a Pic

Estimate £600 - £800

LOT 26

TIFFANY & CO., A DIAMOND PETAL BYPASS RING in platinum, designed as two flowers in crossover design, set throughout with round brilliant cut diamonds, signed Tiffany & Co., full British hallmarks, size N1/2 / 7, 6.7g. Accompanied by a Tiffany & Co. j

TIFFANY & CO., A DIAMOND PETAL BYPASS RING in platinum, designed as two flowers in crossover design, set throughout with round brilliant cut diamonds, signed Tiffany & Co., full British hallmarks, size N1/2 / 7, 6.7g. Accompanied by a Tiffany & Co. j

Estimate £500 - £700

LOT 32

CARTIER, A DIAMOND C DE CARTIER RING in 18ct white gold, the open band ring terminating in a C motif set with round brilliant cut diamonds, signed Cartier and numbered, Italian assay marks, stamped 750, size J1/2 / 5, 11.8g. 

CARTIER, A DIAMOND C DE CARTIER RING in 18ct white gold, the open band ring terminating in a C motif set with round brilliant cut diamonds, signed Cartier and numbered, Italian assay marks, stamped 750, size J1/2 / 5, 11.8g. 

Estimate £1,200 - £1,800

LOT 36

NO RESERVE - A PEARL AND DIAMOND TOI ET MOI RING set with a black and white pearl of 8.8mm respectively, accented by baguette cut diamonds, marked indistinctly, size L / 5.75, 6.6g. 

NO RESERVE - A PEARL AND DIAMOND TOI ET MOI RING set with a black and white pearl of 8.8mm respectively, accented by baguette cut diamonds, marked indistinctly, size L / 5.75, 6.6g. 

Estimate £250 - £350

LOT 38

A SOLITAIRE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond of approximately 0.20 carats, the shoulders set with further round brilliant cut diamonds, partial British hallmarks, size J1/2 / 5, 2.2g. 

A SOLITAIRE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond of approximately 0.20 carats, the shoulders set with further round brilliant cut diamonds, partial British hallmarks, size J1/2 / 5, 2.2g. 

Estimate £300 - £500

LOT 40

GUCCI, AN ICON RING in 18ct white gold, the band with a row of double G motifs, signed Gucci, Italian assay marks, stamped 750, size M1/2 / 6.5, 3.6g. 

GUCCI, AN ICON RING in 18ct white gold, the band with a row of double G motifs, signed Gucci, Italian assay marks, stamped 750, size M1/2 / 6.5, 3.6g. 

Estimate £300 - £500

LOT 43

A VINTAGE CORAL RING set with a polished coral of 12.9mm within a twisted rope work border, no assay marks, size N / 6.75, 9.1g. 

A VINTAGE CORAL RING set with a polished coral of 12.9mm within a twisted rope work border, no assay marks, size N / 6.75, 9.1g. 

Estimate £400 - £600

LOT 47

A DIAMOND DRESS RING set throughout with round brilliant cut diamonds, stamped 750, size N / 6.75, 5.6g. 

A DIAMOND DRESS RING set throughout with round brilliant cut diamonds, stamped 750, size N / 6.75, 5.6g. 

Estimate £500 - £700

LOT 50

A PINK TOURMALINE AND DIAMOND RING in 14ct yellow gold, set with a faceted pink tourmaline, the shoulders set with round brilliant cut diamonds, partial British hallmarks, size P1/2 / 8, 3.7g. 

A PINK TOURMALINE AND DIAMOND RING in 14ct yellow gold, set with a faceted pink tourmaline, the shoulders set with round brilliant cut diamonds, partial British hallmarks, size P1/2 / 8, 3.7g. 

Estimate £400 - £600

LOT 53

NO RESERVE - AN OPAL AND DIAMOND RING set with three oval cabochon opals accented by pairs of round cut diamonds, stamped 18CT, size L1/2 / 6, 3.0g. 

NO RESERVE - AN OPAL AND DIAMOND RING set with three oval cabochon opals accented by pairs of round cut diamonds, stamped 18CT, size L1/2 / 6, 3.0g. 

Estimate £100 - £150

LOT 57

AN ANTIQUE CHRYSOBERYL AND EMERALD RING set with three cushion cut chrysoberyls, accented by pairs of cushion cut emeralds, no assay marks, size O1/2 / 7.5, 2.2g. 

AN ANTIQUE CHRYSOBERYL AND EMERALD RING set with three cushion cut chrysoberyls, accented by pairs of cushion cut emeralds, no assay marks, size O1/2 / 7.5, 2.2g. 

Estimate £300 - £500

LOT 61

BULGARI, A B.ZERO 1 RING in 18ct yellow and white gold, the band with engraved lettering 'BVLGARI' to the sides, signed Bulgari, Italian assay marks, stamped 750, size J / 4.75, 10.2g. 

BULGARI, A B.ZERO 1 RING in 18ct yellow and white gold, the band with engraved lettering 'BVLGARI' to the sides, signed Bulgari, Italian assay marks, stamped 750, size J / 4.75, 10.2g. 

Estimate £700 - £900

LOT 66

A DIAMOND CROSSOVER RING in crossover design, set with old and round cut diamonds, stamped 585, size P / 7.75, 5.6g. 

A DIAMOND CROSSOVER RING in crossover design, set with old and round cut diamonds, stamped 585, size P / 7.75, 5.6g. 

Estimate £600 - £800

LOT 69

AN AQUAMARINE RING set with an octagonal step cut aquamarine of approximately 18.57 carats, stamped 18CT, size N1/2 / 7, 14.7g. 

AN AQUAMARINE RING set with an octagonal step cut aquamarine of approximately 18.57 carats, stamped 18CT, size N1/2 / 7, 14.7g. 

Estimate £1,000 - £1,500

LOT 72

AN AQUAMARINE AND PEARL CLUSTER RING set with an oval cut aquamarine of approximately 3.51 carats in a cluster of pearls, no assay marks, size O1/2 / 7.5, 5.5g. 

AN AQUAMARINE AND PEARL CLUSTER RING set with an oval cut aquamarine of approximately 3.51 carats in a cluster of pearls, no assay marks, size O1/2 / 7.5, 5.5g. 

Estimate £600 - £800

LOT 74

NO RESERVE - A SPINEL AND PASTE CLUSTER RING set with a cushion cut spinel of approximately 4.10 carats in a cluster of round cut paste stones, no assay marks, size I1/2 / 4.5, 3.3g. 

NO RESERVE - A SPINEL AND PASTE CLUSTER RING set with a cushion cut spinel of approximately 4.10 carats in a cluster of round cut paste stones, no assay marks, size I1/2 / 4.5, 3.3g. 

Estimate £200 - £300

LOT 78

NO RESERVE - A RUBY AND DIAMOND RING set with a round cut ruby and accented by round brilliant cut diamonds, no assay marks, size M / 6.25, 6.1g. 

NO RESERVE - A RUBY AND DIAMOND RING set with a round cut ruby and accented by round brilliant cut diamonds, no assay marks, size M / 6.25, 6.1g. 

Estimate £100 - £150

LOT 84

A DIAMOND TRINITY RING comprising three interlocking bands set with round cut diamonds, the diamonds totalling 2.5-3.0 carats, no assay marks, size H / 3.75, 14.3g. 

A DIAMOND TRINITY RING comprising three interlocking bands set with round cut diamonds, the diamonds totalling 2.5-3.0 carats, no assay marks, size H / 3.75, 14.3g. 

Estimate £800 - £1,200

LOT 88

A GREEN TOURMALINE AND DIAMOND RING in 18ct white gold, set with a cushion cut green tourmaline, the shoulders set with round brilliant cut diamonds, full British hallmarks, size P / 7.75, 7.6g. 

A GREEN TOURMALINE AND DIAMOND RING in 18ct white gold, set with a cushion cut green tourmaline, the shoulders set with round brilliant cut diamonds, full British hallmarks, size P / 7.75, 7.6g. 

Estimate £400 - £600

LOT 93

AN AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine of 12.95 carats, the shoulders set with round brilliant cut diamonds, the diamonds all totalling approximately 0.57 carats, stamped 750, size N / 6.75, 9.0g. 

AN AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine of 12.95 carats, the shoulders set with round brilliant cut diamonds, the diamonds all totalling approximately 0.57 carats, stamped 750, size N / 6.75, 9.0g. 

Estimate £2,000 - £3,000

LOT 94

TIFFANY & CO., A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of 0.28 carats, inscribed .28CT, signed Tiffany & Co. and numbered, stamped PT950, size K / 5.25, 6.5g. 

TIFFANY & CO., A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of 0.28 carats, inscribed .28CT, signed Tiffany & Co. and numbered, stamped PT950, size K / 5.25, 6.5g. 

Estimate £500 - £700

LOT 96

A 2.24 CARAT SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of 2.24 carats, partial British hallmarks, size N1/2 / 7, 4.7g. 

A 2.24 CARAT SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of 2.24 carats, partial British hallmarks, size N1/2 / 7, 4.7g. 

Estimate £4,000 - £6,000

LOT 98

A DIAMOND RING comprising three rows of round brilliant cut diamonds and two rows of baguette cut diamonds, the diamonds totalling 1.53 carats, inscribed D1.53, stamped K18, size N / 6.75, 7.4g. 

A DIAMOND RING comprising three rows of round brilliant cut diamonds and two rows of baguette cut diamonds, the diamonds totalling 1.53 carats, inscribed D1.53, stamped K18, size N / 6.75, 7.4g. 

Estimate £600 - £800

LOT 104

ASTLEY CLARKE, AN OPAL AND DIAMOND ICON NOVA RING in 14ct rose gold, designed as concentric circles set with round cabochon opals and round cut diamonds, signed AC, full British hallmarks, stamped 585, size O1/2 / 7.5, 4.0g. 

ASTLEY CLARKE, AN OPAL AND DIAMOND ICON NOVA RING in 14ct rose gold, designed as concentric circles set with round cabochon opals and round cut diamonds, signed AC, full British hallmarks, stamped 585, size O1/2 / 7.5, 4.0g. 

Estimate £300 - £500

LOT 109

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an oval cut sapphire of approximately 0.97 carats, between two round brilliant cut diamonds both totalling 0.5-0.6 carats, full British hallmarks, size N / 6.75, 3.6g. 

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an oval cut sapphire of approximately 0.97 carats, between two round brilliant cut diamonds both totalling 0.5-0.6 carats, full British hallmarks, size N / 6.75, 3.6g. 

Estimate £700 - £900

LOT 113

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with an old European cut diamond of approximately 1.06 carats, the shoulders set with round cut diamonds, full British hallmarks for Sheffield 1995, size L1/2 / 6, 4.1g. 

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with an old European cut diamond of approximately 1.06 carats, the shoulders set with round cut diamonds, full British hallmarks for Sheffield 1995, size L1/2 / 6, 4.1g. 

Estimate £500 - £700

LOT 117

AN ANTIQUE DIAMOND HEART AND CROWN RING, 18TH CENTURY in yellow gold, designed as a heart set with rose cut diamonds surmounted by a crown, the shoulders set with further rose cut diamonds, no assay marks, size S1/2 / 9.5, 7.4g. 

AN ANTIQUE DIAMOND HEART AND CROWN RING, 18TH CENTURY in yellow gold, designed as a heart set with rose cut diamonds surmounted by a crown, the shoulders set with further rose cut diamonds, no assay marks, size S1/2 / 9.5, 7.4g. 

Estimate £1,200 - £1,600

LOT 125

AN ANTIQUE SAPPHIRE AND DIAMOND RING in yellow gold, set with a cushion cut sapphire accented by old cut diamonds, no assay marks, size R1/2 / 9, 2.5g. 

AN ANTIQUE SAPPHIRE AND DIAMOND RING in yellow gold, set with a cushion cut sapphire accented by old cut diamonds, no assay marks, size R1/2 / 9, 2.5g. 

Estimate £300 - £500

LOT 127

A FRENCH SAPPHIRE RING in 18ct white gold, set with a cushion cut sapphire of approximately 1.23 carats on a bifurcated band, French maker's mark, French assay mark, size K1/2 / 5.5, 4.7g. 

A FRENCH SAPPHIRE RING in 18ct white gold, set with a cushion cut sapphire of approximately 1.23 carats on a bifurcated band, French maker's mark, French assay mark, size K1/2 / 5.5, 4.7g. 

Estimate £2,000 - £3,000

LOT 132

A STAR DIOPSIDE DRESS RING set with an oval cabochon star diopside, within a stylised ropework border, stamped 14K, size L / 5.75, 16.3g. 

A STAR DIOPSIDE DRESS RING set with an oval cabochon star diopside, within a stylised ropework border, stamped 14K, size L / 5.75, 16.3g. 

Estimate £600 - £800

LOT 134

A LARGE CORAL AND DIAMOND DRESS RING set with an oval cabochon coral, within a foliate style border set with rose cut diamonds, stamped 14Kt, size L / 5.75, 12.8g. 

A LARGE CORAL AND DIAMOND DRESS RING set with an oval cabochon coral, within a foliate style border set with rose cut diamonds, stamped 14Kt, size L / 5.75, 12.8g. 

Estimate £300 - £500

LOT 136

AN EMERALD AND DIAMOND DRESS RING in 18ct yellow gold, the stylised ring set with marquise cut emeralds, accented by a scrolling motif set with round brilliant cut diamonds, TAD maker's mark, full British hallmarks for Birmingham 1975, size M / 6.25,

AN EMERALD AND DIAMOND DRESS RING in 18ct yellow gold, the stylised ring set with marquise cut emeralds, accented by a scrolling motif set with round brilliant cut diamonds, TAD maker's mark, full British hallmarks for Birmingham 1975, size M / 6.25,

Estimate £500 - £700

LOT 139

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 141

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 0.90 carats in a double cluster of round brilliant cut diamonds, stamped 750, size P1/2 / 8, 3.6g. 

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 0.90 carats in a double cluster of round brilliant cut diamonds, stamped 750, size P1/2 / 8, 3.6g. 

Estimate £500 - £700

LOT 147

A BURMA NO HEAT RUBY AND DIAMOND FIVE STONE RING set with five oval and round cut rubies of 0.96, 0.93, 0.92, 0.88 and 0.88 carats, accented by round brilliant cut diamonds, no assay marks, size N / 6.75, 4.4g. With five facsimile gemmological report

A BURMA NO HEAT RUBY AND DIAMOND FIVE STONE RING set with five oval and round cut rubies of 0.96, 0.93, 0.92, 0.88 and 0.88 carats, accented by round brilliant cut diamonds, no assay marks, size N / 6.75, 4.4g. With five facsimile gemmological report

Estimate £1,500 - £2,500

LOT 148

NO RESERVE - AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of approximately 2.20 carats, accented on each side by trios of round brilliant cut diamonds, marked indistinctly, size N1/2 / 7, 4.8g. 

NO RESERVE - AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of approximately 2.20 carats, accented on each side by trios of round brilliant cut diamonds, marked indistinctly, size N1/2 / 7, 4.8g. 

Estimate £300 - £500

LOT 150

A TAHITIAN BLACK PEARL AND DIAMOND RING set with a black pearl of 13.2mm, the band set with marquise and round brilliant cut diamonds, stamped 18K, size N / 6.75, 7.3g. 

A TAHITIAN BLACK PEARL AND DIAMOND RING set with a black pearl of 13.2mm, the band set with marquise and round brilliant cut diamonds, stamped 18K, size N / 6.75, 7.3g. 

Estimate £600 - £800

LOT 151

BULGARI, A B.ZERO 1 RING in 18ct yellow gold, the band with engraved lettering 'BVLGARI' to the sides, signed Bulgari, Italian assay marks, stamped 750, size I / 4.25, 7.9g. 

BULGARI, A B.ZERO 1 RING in 18ct yellow gold, the band with engraved lettering 'BVLGARI' to the sides, signed Bulgari, Italian assay marks, stamped 750, size I / 4.25, 7.9g. 

Estimate £600 - £800

LOT 158

A DIAMOND FULL ETERNITY RING set all around with a row of baguette cut diamonds, no assay marks, size Q1/2 / 8.5, 4.1g. 

A DIAMOND FULL ETERNITY RING set all around with a row of baguette cut diamonds, no assay marks, size Q1/2 / 8.5, 4.1g. 

Estimate £500 - £700

LOT 162

NO RESERVE - A KYANITE AND WHITE SAPPHIRE RING in 9ct white gold, set with an oval cut kyanite of approximately 2.28 carats, the shoulders set with round cut white sapphires, partial British hallmarks, size O / 7.25, 2.2g. 

NO RESERVE - A KYANITE AND WHITE SAPPHIRE RING in 9ct white gold, set with an oval cut kyanite of approximately 2.28 carats, the shoulders set with round cut white sapphires, partial British hallmarks, size O / 7.25, 2.2g. 

Estimate £200 - £300

LOT 165

AN ONYX AND DIAMOND RING set with a round brilliant cut diamond in a border of polished onyx, accente by further round brilliant cut diamonds, the diamonds totalling 0.5-0.6 carats, no assay marks, size L / 5.5, 6.9g.

AN ONYX AND DIAMOND RING set with a round brilliant cut diamond in a border of polished onyx, accente by further round brilliant cut diamonds, the diamonds totalling 0.5-0.6 carats, no assay marks, size L / 5.5, 6.9g.

Estimate £800 - £1,200

LOT 167

AN EMERALD AND DIAMOND DRESS RING set with an octagonal step cut emerald of 1.28 carats in a border of round brilliant cut diamonds, the openwork lattice style band set with further round brilliant cut diamonds, inscribed E1.28ct D0.92ct, stamped Au7

AN EMERALD AND DIAMOND DRESS RING set with an octagonal step cut emerald of 1.28 carats in a border of round brilliant cut diamonds, the openwork lattice style band set with further round brilliant cut diamonds, inscribed E1.28ct D0.92ct, stamped Au7

Estimate £1,200 - £1,600

LOT 170

AN AMETHYST AND DIAMOND RING set with a sugarloaf cabochon amethyst in a border of round cut diamonds, stamped 14K, size L / 5.75, 7.4g. 

AN AMETHYST AND DIAMOND RING set with a sugarloaf cabochon amethyst in a border of round cut diamonds, stamped 14K, size L / 5.75, 7.4g. 

Estimate £600 - £800

LOT 172

A STAR SAPPHIRE AND DIAMOND RING set with a round cabochon star sapphire of 6.16 carats in a cluster of round brilliant cut diamonds, stamped 18K, size M / 6.25, 5.7g. 

A STAR SAPPHIRE AND DIAMOND RING set with a round cabochon star sapphire of 6.16 carats in a cluster of round brilliant cut diamonds, stamped 18K, size M / 6.25, 5.7g. 

Estimate £1,000 - £1,500

LOT 175

MIKIMOTO, A PEARL AND DIAMOND RING set with three rows of pearls accented by round brilliant cut diamonds, signed Mikimoto, stamped K18, size K /5.25, 10.1g. 

MIKIMOTO, A PEARL AND DIAMOND RING set with three rows of pearls accented by round brilliant cut diamonds, signed Mikimoto, stamped K18, size K /5.25, 10.1g. 

Estimate £1,000 - £1,500

LOT 177

BULGARI, A B.ZERO1 RING in 18ct white gold, the band with engraved lettering 'BVLGARI' to the sides, signed Bulgari, Italian assay marks, stamped 750, size J / 4.75, 8.4g. 

BULGARI, A B.ZERO1 RING in 18ct white gold, the band with engraved lettering 'BVLGARI' to the sides, signed Bulgari, Italian assay marks, stamped 750, size J / 4.75, 8.4g. 

Estimate £500 - £700

LOT 179

A RETRO RUBY AND DIAMOND DRESS RING in white gold, set with an old European cut diamond of approximately 0.60 carats in a border of carre cut diamonds and round cut rubies, accented by a row of rectangular step cut rubies, on a trifurcated band, no a

A RETRO RUBY AND DIAMOND DRESS RING in white gold, set with an old European cut diamond of approximately 0.60 carats in a border of carre cut diamonds and round cut rubies, accented by a row of rectangular step cut rubies, on a trifurcated band, no a

Estimate £1,500 - £2,000

LOT 181

CARTIER, A DIAMOND LA DONA RING the band designed as two rows of half moon motifs, two motifs pave set with round brilliant cut diamonds, signed Cartier and numbered, stamped 750, size K1/2 / 5.5, 15.1g. 

CARTIER, A DIAMOND LA DONA RING the band designed as two rows of half moon motifs, two motifs pave set with round brilliant cut diamonds, signed Cartier and numbered, stamped 750, size K1/2 / 5.5, 15.1g. 

Estimate £1,000 - £1,500

LOT 183

A DIAMOND DRESS RING set with three round brilliant cut diamonds accented by baguette cut diamonds, between two rows of further round brilliant cut diamonds, the diamonds totalling approximately 1.50CT, inscribed 1.50CT, stamped 14K, size R / 8.75, 7

A DIAMOND DRESS RING set with three round brilliant cut diamonds accented by baguette cut diamonds, between two rows of further round brilliant cut diamonds, the diamonds totalling approximately 1.50CT, inscribed 1.50CT, stamped 14K, size R / 8.75, 7

Estimate £400 - £600

LOT 187

A MULTI GEM DRESS RING set with an oval cabochon cat's eye chrysoberyl in a cluster of round brilliant cut diamonds, accented by a pear cut emerald, ruby and sapphire, stamped 18CT, size O / 7.25, 4.5g. 

A MULTI GEM DRESS RING set with an oval cabochon cat's eye chrysoberyl in a cluster of round brilliant cut diamonds, accented by a pear cut emerald, ruby and sapphire, stamped 18CT, size O / 7.25, 4.5g. 

Estimate £500 - £700

LOT 189

A ZAMBIAN EMERALD RING set with an oval cut emerald of 2.78 carats, stamped K18, size L1/2 / 6, 3.0g. With a facsimile gemmological report stating that the emerald is of Zambian origin with minor clarity enhancement. 

A ZAMBIAN EMERALD RING set with an oval cut emerald of 2.78 carats, stamped K18, size L1/2 / 6, 3.0g. With a facsimile gemmological report stating that the emerald is of Zambian origin with minor clarity enhancement. 

Estimate £500 - £700

LOT 192

A RUBELLITE TOURMALINE AND DIAMOND RING set with a cushion cut rubellite tourmaline of 5.24 carats, the stepped shoulders set with round brilliant cut diamonds, inscribed 5.249ct d0.08ct, stamped Au750, size N / 6.75, 4.0g. 

A RUBELLITE TOURMALINE AND DIAMOND RING set with a cushion cut rubellite tourmaline of 5.24 carats, the stepped shoulders set with round brilliant cut diamonds, inscribed 5.249ct d0.08ct, stamped Au750, size N / 6.75, 4.0g. 

Estimate £700 - £900

LOT 193

A FIVE STONE DIAMOND RING in 9ct white gold, set with five round brilliant cut diamonds all totalling 2.02 carats, full British hallmarks, inscribed 2.02, size M1/2 / 6.5, 5.7g. 

A FIVE STONE DIAMOND RING in 9ct white gold, set with five round brilliant cut diamonds all totalling 2.02 carats, full British hallmarks, inscribed 2.02, size M1/2 / 6.5, 5.7g. 

Estimate £1,800 - £2,200

LOT 195

TASAKI, A PEARL AND DIAMOND CLUSTER RING set with a pearl of 8.4mm in a cluster of round cut diamonds, Tasaki maker's mark, stamped Pt900, size J / 4.75, 6.1g. 

TASAKI, A PEARL AND DIAMOND CLUSTER RING set with a pearl of 8.4mm in a cluster of round cut diamonds, Tasaki maker's mark, stamped Pt900, size J / 4.75, 6.1g. 

Estimate £400 - £600

LOT 196

TASAKI, A PEARL AND DIAMOND TOI ET MOI RING set with two pearls accented by round brilliant and marquise cut diamonds, Tasaki maker's mark, stamped K18, size I1/2 / 4.5, 5.3g. 

TASAKI, A PEARL AND DIAMOND TOI ET MOI RING set with two pearls accented by round brilliant and marquise cut diamonds, Tasaki maker's mark, stamped K18, size I1/2 / 4.5, 5.3g. 

Estimate £500 - £700

LOT 199

A GREEN TOURMALINE AND DIAMOND RING set with an octagonal step cut green tourmaline of 5.71 carats in a border of round brilliant cut diamonds, the band set with further diamonds, stamped 14K, size N1/2 / 7, 4.3g. 

A GREEN TOURMALINE AND DIAMOND RING set with an octagonal step cut green tourmaline of 5.71 carats in a border of round brilliant cut diamonds, the band set with further diamonds, stamped 14K, size N1/2 / 7, 4.3g. 

Estimate £700 - £900

LOT 202

NO RESERVE - A MABE PEARL RING set with a mabe pearl of 17.3mm, on an openwork mount with ropework design, stamped K14, size L / 5.75, 8.7g. 

NO RESERVE - A MABE PEARL RING set with a mabe pearl of 17.3mm, on an openwork mount with ropework design, stamped K14, size L / 5.75, 8.7g. 

Estimate £150 - £250

LOT 204

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds in a border of round cut sapphires, the diamonds totalling 0.8-0.9 carats, full British hallmarks, size T / 9.75, 7.4g. 

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds in a border of round cut sapphires, the diamonds totalling 0.8-0.9 carats, full British hallmarks, size T / 9.75, 7.4g. 

Estimate £400 - £600

LOT 206

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut emerald of approximately 1.42 carats in a cluster of round cut diamonds, control marks, size Q / 8, 4.3g. 

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut emerald of approximately 1.42 carats in a cluster of round cut diamonds, control marks, size Q / 8, 4.3g. 

Estimate £600 - £800

LOT 208

NO RESERVE - A SOLITAIRE DIAMOND ENGAGEMENT RING AND WEDDING BAND in 18ct white gold, the engagement ring set with a round brilliant cut diamond of approximately 0.35 carats, the wedding band of undulating design, full British hallmarks, size J1/2 /

NO RESERVE - A SOLITAIRE DIAMOND ENGAGEMENT RING AND WEDDING BAND in 18ct white gold, the engagement ring set with a round brilliant cut diamond of approximately 0.35 carats, the wedding band of undulating design, full British hallmarks, size J1/2 /

Estimate £300 - £500

LOT 210

AN AQUAMARINE RING set with a pear cut aquamarine of approximately 5.45 carats, stamped 14K, size adjustable, 6.0g. 

AN AQUAMARINE RING set with a pear cut aquamarine of approximately 5.45 carats, stamped 14K, size adjustable, 6.0g. 

Estimate £400 - £600

LOT 213

A BLACK PEARL AND DIAMOND RING in crossover design, set with a black pearl of 9.8mm and a round brilliant cut diamond, inscribed HANDARBEIT, stamped 585, size P / 7.75, 9.4g. 

A BLACK PEARL AND DIAMOND RING in crossover design, set with a black pearl of 9.8mm and a round brilliant cut diamond, inscribed HANDARBEIT, stamped 585, size P / 7.75, 9.4g. 

Estimate £400 - £600

LOT 217

NO RESERVE - A PARAIBA TOURMALINE AND DIAMOND RING set with an oval cut paraiba tourmaline of approximately 1.23 carats, accented by round brilliant and tapered baguette cut diamonds, stamped 9K, size N1/2 / 7, 3.5g. 

NO RESERVE - A PARAIBA TOURMALINE AND DIAMOND RING set with an oval cut paraiba tourmaline of approximately 1.23 carats, accented by round brilliant and tapered baguette cut diamonds, stamped 9K, size N1/2 / 7, 3.5g. 

Estimate £200 - £300

LOT 221

A FRENCH ART DECO SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal step cut sapphire flanked by calibre cut sapphires, accented by a border of old cut diamonds, partially obscured French maker's mark and assay mark, size M / 6.25, 3.4g. 

A FRENCH ART DECO SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal step cut sapphire flanked by calibre cut sapphires, accented by a border of old cut diamonds, partially obscured French maker's mark and assay mark, size M / 6.25, 3.4g. 

Estimate £1,800 - £2,400

LOT 223

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 £1,000 - £1,500

LOT 226

NO RESERVE - A TANZANITE AND DIAMOND RING set with an oval cut tanzanite of approximately 5.62 carats, accented by round brilliant cut diamonds, stamped 14K, size N1/2 / 7, 6.1g. 

NO RESERVE - A TANZANITE AND DIAMOND RING set with an oval cut tanzanite of approximately 5.62 carats, accented by round brilliant cut diamonds, stamped 14K, size N1/2 / 7, 6.1g. 

Estimate £300 - £500

LOT 229

A DIAMOND FULL ETERNITY RING set all around with a row of round brilliant cut diamonds, stamped 18K, size N / 6.75, 2.4g. 

A DIAMOND FULL ETERNITY RING set all around with a row of round brilliant cut diamonds, stamped 18K, size N / 6.75, 2.4g. 

Estimate £250 - £350

LOT 233

NO RESERVE - A SYNTHETIC RUBY RING in 14ct yellow gold, set with an oval faceted synthetic ruby, full British hallmarks, size U / 10.25, 4.3g. 

NO RESERVE - A SYNTHETIC RUBY RING in 14ct yellow gold, set with an oval faceted synthetic ruby, full British hallmarks, size U / 10.25, 4.3g. 

Estimate £80 - £120

LOT 236

A BLUE TOPAZ AND DIAMOND RING set with a hexagonal step cut blue topaz in a border of round brilliant cut diamonds, the bifurcated band set with further round brilliant cut diamonds, stamped 18K, size L1/2 / 6, 4.1g. 

A BLUE TOPAZ AND DIAMOND RING set with a hexagonal step cut blue topaz in a border of round brilliant cut diamonds, the bifurcated band set with further round brilliant cut diamonds, stamped 18K, size L1/2 / 6, 4.1g. 

Estimate £800 - £1,200

LOT 240

A SAPPHIRE, EMERALD AND DIAMOND RING set with an octagonal step cut sapphire and emerald, accented by two marquise cut diamonds and round brilliant cut diamonds, the diamonds all totalling 1.8-2.0 carats, no assay marks, size M / 6.25, 6.6g. 

A SAPPHIRE, EMERALD AND DIAMOND RING set with an octagonal step cut sapphire and emerald, accented by two marquise cut diamonds and round brilliant cut diamonds, the diamonds all totalling 1.8-2.0 carats, no assay marks, size M / 6.25, 6.6g. 

Estimate £1,500 - £2,500

LOT 241

A SYNTHETIC RUBY AND DIAMOND RING set with an oval cut synthetic ruby, the scrolling mount set with rose cut diamonds, no assay marks, size K1/2 / 5.5, 4.8g. 

A SYNTHETIC RUBY AND DIAMOND RING set with an oval cut synthetic ruby, the scrolling mount set with rose cut diamonds, no assay marks, size K1/2 / 5.5, 4.8g. 

Estimate £300 - £500

LOT 246

A CITRINE AND DIAMOND RING set with a fancy cut citrine in a border of round brilliant cut diamonds, the band accented by further diamonds, stamped 18k, size M / 6.25, 2.3g. 

A CITRINE AND DIAMOND RING set with a fancy cut citrine in a border of round brilliant cut diamonds, the band accented by further diamonds, stamped 18k, size M / 6.25, 2.3g. 

Estimate £500 - £700

LOT 249

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 £250 - £350

LOT 251

NO RESERVE - AN INDIAN PEARL, DIAMOND AND ENAMEL RING set with a pearl of 9.5mm accented by rose cut diamonds, the reverse decorated in red and green enamel, no assay marks, size K / 5.25, 6.8g. 

NO RESERVE - AN INDIAN PEARL, DIAMOND AND ENAMEL RING set with a pearl of 9.5mm accented by rose cut diamonds, the reverse decorated in red and green enamel, no assay marks, size K / 5.25, 6.8g. 

Estimate £200 - £300

LOT 255

A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 0.85 carats, partial British hallmarks, stamped 18K, size N1/2 / 7, 3.9g. 

A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 0.85 carats, partial British hallmarks, stamped 18K, size N1/2 / 7, 3.9g. 

Estimate £800 - £1,200

LOT 256

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 259

A BURMA NO HEAT SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut sapphire of 1.60 carats, accented on each side by an old cut diamond, the diamonds both totalling 1.20 carats, stamped 750, size N / 6.75, 6.1g. With a gemmological verbal a

A BURMA NO HEAT SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut sapphire of 1.60 carats, accented on each side by an old cut diamond, the diamonds both totalling 1.20 carats, stamped 750, size N / 6.75, 6.1g. With a gemmological verbal a

Estimate £2,500 - £3,500

LOT 261

A TSAVORITE GARNET AND DIAMOND RING set with an oval cut tsavorite garnet of 1.18 carats in a border of round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, stamped 18K, size M / 6.25, 4.5g. 

A TSAVORITE GARNET AND DIAMOND RING set with an oval cut tsavorite garnet of 1.18 carats in a border of round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, stamped 18K, size M / 6.25, 4.5g. 

Estimate £1,000 - £1,500

LOT 263

TIFFANY & CO., A BAND RING in platinum, in plain design, signed Tiffany & Co., full British hallmarks for London 2004, stamped PT950, size Q / 8.25, 15.0g. 

TIFFANY & CO., A BAND RING in platinum, in plain design, signed Tiffany & Co., full British hallmarks for London 2004, stamped PT950, size Q / 8.25, 15.0g. 

Estimate £400 - £600

LOT 264

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut emerald of approximately 1.30 carats in a cluster of single cut diamonds, partial British hallmarks, size J1/2 / 5, 3.7g. 

AN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut emerald of approximately 1.30 carats in a cluster of single cut diamonds, partial British hallmarks, size J1/2 / 5, 3.7g. 

Estimate £300 - £500

LOT 266

A TANZANITE AND DIAMOND DRESS RING set with a heart cut tanzanite of 4.53 carats in a cluster of round cut diamonds, the shoulders set with round cut sapphires and diamonds, inscribed S4.53 s0.34ct d0.628ct, stamped AU750, size M / 6.25, 6.2g. 

A TANZANITE AND DIAMOND DRESS RING set with a heart cut tanzanite of 4.53 carats in a cluster of round cut diamonds, the shoulders set with round cut sapphires and diamonds, inscribed S4.53 s0.34ct d0.628ct, stamped AU750, size M / 6.25, 6.2g. 

Estimate £1,800 - £2,200

LOT 268

NO RESERVE - AN AQUAMARINE RING AND A PERIDOT AND AMETHYST RING comprising a ring set with a pear cut aquamarine, partial British hallmarks for 15ct gold, size N1/2 / 7, 4.6g, together with a peridot and amethyst cross-over dress ring, Birmingham imp

NO RESERVE - AN AQUAMARINE RING AND A PERIDOT AND AMETHYST RING comprising a ring set with a pear cut aquamarine, partial British hallmarks for 15ct gold, size N1/2 / 7, 4.6g, together with a peridot and amethyst cross-over dress ring, Birmingham imp

Estimate £300 - £500

LOT 269

ASTLEY CLARKE, A RUTILATED QUARTZ AND COLOURED DIAMOND EMPEROR MOTH RING designed as a pair of moths, set with a marquise shaped rutilated quartz, the wings set with round cut diamonds, and round cut yellow and black diamonds, stamped 925, size N / 6

ASTLEY CLARKE, A RUTILATED QUARTZ AND COLOURED DIAMOND EMPEROR MOTH RING designed as a pair of moths, set with a marquise shaped rutilated quartz, the wings set with round cut diamonds, and round cut yellow and black diamonds, stamped 925, size N / 6

Estimate £800 - £1,200

LOT 270

A SAPPHIRE FULL ETERNITY RING set all around with a row of square step cut sapphires, no assay marks, size M1/2 / 6.5, 2.8g. 

A SAPPHIRE FULL ETERNITY RING set all around with a row of square step cut sapphires, no assay marks, size M1/2 / 6.5, 2.8g. 

Estimate £400 - £600

LOT 273

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 1.49 carats, the band accented by round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 2.8g. 

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 1.49 carats, the band accented by round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 2.8g. 

Estimate £700 - £900

LOT 275

NO RESERVE - THREE EMERALD AND DIAMOND RINGS in 9ct yellow gold, comprising a fluted ring set with an oval cut emerald and round cut diamonds, partial British hallmarks, size N1/2 / 7, 4.2g, a ring set with an octagonal step cut emerald in a border o

NO RESERVE - THREE EMERALD AND DIAMOND RINGS in 9ct yellow gold, comprising a fluted ring set with an oval cut emerald and round cut diamonds, partial British hallmarks, size N1/2 / 7, 4.2g, a ring set with an octagonal step cut emerald in a border o

Estimate £300 - £500

LOT 277

NO RESERVE - AN AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine, the shoulders accented by round brilliant cut diamonds, stamped 14K, size O1/2 / 7.5, 6.5g. 

NO RESERVE - AN AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine, the shoulders accented by round brilliant cut diamonds, stamped 14K, size O1/2 / 7.5, 6.5g. 

Estimate £300 - £500

LOT 280

NO RESERVE - A COLLECTION OF RINGS comprising a diamond cluster ring, stamped 9KT, size O / 7.25, 6.2g, an emerald cluster ring, full British hallmarks for 9ct gold, size N / 6.75, 3.7g, a garnet cluster ring, full British hallmarks for 9ct gold, siz

NO RESERVE - A COLLECTION OF RINGS comprising a diamond cluster ring, stamped 9KT, size O / 7.25, 6.2g, an emerald cluster ring, full British hallmarks for 9ct gold, size N / 6.75, 3.7g, a garnet cluster ring, full British hallmarks for 9ct gold, siz

Estimate £80 - £120

LOT 281

A DIAMOND AND RUBY TARGET RING set with a round cut diamond in a border of calibre cut rubies and single cut diamonds, no assay marks, size O1/2 / 7.5, 6.1g. 

A DIAMOND AND RUBY TARGET RING set with a round cut diamond in a border of calibre cut rubies and single cut diamonds, no assay marks, size O1/2 / 7.5, 6.1g. 

Estimate £500 - £700

LOT 283

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.78 carats, partial British hallmarks, stamped K18, size L1/2 / 6, 3.2g. 

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.78 carats, partial British hallmarks, stamped K18, size L1/2 / 6, 3.2g. 

Estimate £300 - £500

LOT 284

A DIAMOND FULL ETERNITY RING set all around with a row of round cut diamonds, no assay marks, size N1/2 / 7, 2.3g. 

A DIAMOND FULL ETERNITY RING set all around with a row of round cut diamonds, no assay marks, size N1/2 / 7, 2.3g. 

Estimate £300 - £500

LOT 287

TIFFANY & CO., A DIAMOND ATLAS RING the band ring with embossed Roman numerals, accented by a trio of round brilliant cut diamonds, signed Tiffany & Co. 1995, stamped 750, size J / 4.75, 7.2g. 

TIFFANY & CO., A DIAMOND ATLAS RING the band ring with embossed Roman numerals, accented by a trio of round brilliant cut diamonds, signed Tiffany & Co. 1995, stamped 750, size J / 4.75, 7.2g. 

Estimate £1,000 - £1,500

LOT 289

NO RESERVE - A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.40 carats, partial British hallmarks, size M1/2 / 6.4, 3.0g. 

NO RESERVE - A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.40 carats, partial British hallmarks, size M1/2 / 6.4, 3.0g. 

Estimate £250 - £350

LOT 293

AN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of approximately 1.50 carats, accented on each side by a round brilliant cut diamond, the diamonds both totalling approximately 0.94 carats, stamped 750, size L1/2 / 6, 4.

AN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of approximately 1.50 carats, accented on each side by a round brilliant cut diamond, the diamonds both totalling approximately 0.94 carats, stamped 750, size L1/2 / 6, 4.

Estimate £1,200 - £1,600

LOT 295

A RUBY AND DIAMOND DRESS RING the openwork ring set with three old cut diamonds, in a border of calibre cut rubies and single cut diamonds, stamped Pt, size M / 6.25, 6.0g. 

A RUBY AND DIAMOND DRESS RING the openwork ring set with three old cut diamonds, in a border of calibre cut rubies and single cut diamonds, stamped Pt, size M / 6.25, 6.0g. 

Estimate £2,500 - £3,500

LOT 297

NO RESERVE - A SOLITAIRE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond of approximately 0.15 carats, partial British hallmarks, size Q1/2 / 8.5, 2.3g. 

NO RESERVE - A SOLITAIRE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond of approximately 0.15 carats, partial British hallmarks, size Q1/2 / 8.5, 2.3g. 

Estimate £150 - £250

LOT 299

A YELLOW DIAMOND SOLITAIRE RING set with a cushion cut natural fancy light yellow diamond of 1.01 carats, the band set all around with a row of princess cut diamonds, the diamonds totalling 3.0-3.2 carats, no assay marks, size K1/2 / 5.5, 4.0g. Accom

A YELLOW DIAMOND SOLITAIRE RING set with a cushion cut natural fancy light yellow diamond of 1.01 carats, the band set all around with a row of princess cut diamonds, the diamonds totalling 3.0-3.2 carats, no assay marks, size K1/2 / 5.5, 4.0g. Accom

Estimate £1,500 - £2,000

LOT 301

A SAPPHIRE AND DIAMOND DRESS RING set with a cluster of marquise cut sapphires, accented by round brilliant cut diamonds, no assay marks, size P1/2 / 8, 7.0g. 

A SAPPHIRE AND DIAMOND DRESS RING set with a cluster of marquise cut sapphires, accented by round brilliant cut diamonds, no assay marks, size P1/2 / 8, 7.0g. 

Estimate £300 - £500

LOT 303

A DIAMOND CLUSTER RING set with a cluster of old European cut diamonds, the diamonds totalling 0.5-0.6 carats, stamped PLAT, size L1/2 / 6, 4.2g. 

A DIAMOND CLUSTER RING set with a cluster of old European cut diamonds, the diamonds totalling 0.5-0.6 carats, stamped PLAT, size L1/2 / 6, 4.2g. 

Estimate £400 - £600

LOT 306

A MOONSTONE AND DIAMOND RING in 9ct yellow and white gold, the pierced face set with a round cabochon moonstone accented by round brilliant cut diamonds, partial British hallmarks, size M / 6.25, 2.8g. 

A MOONSTONE AND DIAMOND RING in 9ct yellow and white gold, the pierced face set with a round cabochon moonstone accented by round brilliant cut diamonds, partial British hallmarks, size M / 6.25, 2.8g. 

Estimate £300 - £500