A FINE AQUAMARINE AND DIAMOND RING set with a cushion cut aquamarine of approximately 9.18 carats, the shoulders set with round brilliant cut diamonds, no assay marks, size L / 5.75, 7.1g. A FINE AQUAMARINE AND DIAMOND RING set with a cushion cut aqu

Estimate £2,000 - £3,000

LOT WITHDRAWN.

Estimate £10 - £20

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

A BURMA NO HEAT RUBY AND DIAMOND THREE STONE RING set with an octagonal step cut ruby of approximately 1.24 carats, accented on each side by a round brilliant cut diamond, the diamonds both totalling 1.3-1.4 carats, no assay marks, size Q / 8.25, 4.2

Estimate £1,000 - £1,500

MAUBOUSSIN, A DIAMOND AND ONYX RING in 18ct yellow gold, set with an old European cut diamond of approximately 1.10 carats within a polished onyx border, the shoulders set with further old cut diamonds, signed Mauboussin and numbered, French assay ma

Estimate £10,000 - £15,000

FOUR DIAMOND STACKING RINGS in 18ct yellow gold, each set with three old cut diamonds, the diamonds all totalling 1.3-1.5 carats, full British hallmarks, sizes L1/2 / 6 , M / 6.25, M / 6.25 and M1/2 / 6.5, total weight 6.4g. 

Estimate £2,000 - £3,000

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

Estimate £3,500 - £5,500

A WATERMELON TOURMALINE AND DIAMOND RING set with an octagonal step cut watermelon tourmaline of 11.77 carats in a border of alternating round brilliant and baguette cut diamonds, the bifurcated shoulders set with further diamonds, the diamonds all t

Estimate £1,200 - £1,600

A FANCY DEEP BROWN-PINK AND YELLOW DIAMOND THREE STONE RING in 18ct yellow gold, set with a cushion cut fancy deep brown-pink diamond of 1.03 carats, accented on each side by a round brilliant cut yellow diamond, the yellow diamonds totalling 0.4-0.5

Estimate £25,000 - £30,000

DENISE ROBERGE, A PINK TOURMALINE DRESS RING set with a large rough pink tourmaline crystal, in a stylised gold mount with classical influence, signed Denise Roberge, stamped 22K, size L / 5.75, 47.8g.

Estimate £6,000 - £8,000

CARTIER, AN AMETHYST TANK RING in 18ct yellow gold, set with a buff top cabochon amethyst, signed Cartier and numbered, French assay marks, stamped 750, size N1/2 / 7, 12.1g. 

Estimate £1,000 - £1,500

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with an emerald cut diamond of approximately 4.00 carats in a border of round brilliant cut diamonds, the band set with further diamonds, full British hallmarks, size M / 6, 4.3g.

Estimate £10,000 - £15,000

DAVID WEBB, A VINTAGE DIAMOND, SAPPHIRE AND ENAMEL PANDA RING designed as a panda decorated with black and white enamel, the eyes set with round brilliant cut diamonds, topped by a round cabochon sapphire in a border of round brilliant cut diamonds,

Estimate £10,000 - £15,000

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

Estimate £2,000 - £3,000

DAVID WEBB, AN ENAMEL RING the open band ring decorated with white enamel, signed Webb, stamped 18K, size K1/2 / 5.5, 8.4g. 

Estimate £3,500 - £4,500

KUTCHINSKY, A MODERNIST DIAMOND DRESS RING, 1972 in 18ct yellow gold, the concave textured face accented by triangular sections of round brilliant cut diamonds, the diamonds all totalling 2.2-2.5 carats, maker's mark, full British hallmarks for Londo

Estimate £12,000 - £16,000

CARTIER, AN ART DECO RUBY AND DIAMOND TUTTI FRUTTI DRESS RING set all around with a row of mughal rubies carved to depict fruit, accented by round cut diamonds, signed Cartier Paris, indistinct assay marks, size K1/2 / 5.5, 8.7g. Accompanied by a Car

Estimate £10,000 - £15,000

A YELLOW SAPPHIRE AND DIAMOND RING set with an oval cut yellow sapphire of 6.89 carats in a border of old European and single cut diamonds, the diamonds totalling 2.1-2.3 carats, no assay marks, size N1/2 / 7, 7.9g.

Estimate £5,000 - £7,000

MARIO BUCCELLATI, A GREEN CHALCEDONY RING the stylised mount set with an oval cabochon green chalcedony, signed M. Buccellati, no assay marks, size P1/2 / 8, 16.2g. 

Estimate £3,500 - £4,500

A YELLOW AND WHITE DIAMOND FLOWER RING designed as a stylised flower set with round brilliant cut yellow diamonds totalling 2.03 carats, in a border of round brilliant cut diamonds, the shoulders set with further diamonds, the diamonds all totalling

Estimate £3,000 - £5,000

A NATURAL SALTWATER PEARL RING set with a pearl of 9.7mm, no assay marks, size L1/2 / 6, 2.9g. Accompanied by a gemmological report stating that the pearl is of natural saltwater origin. 

Estimate £6,000 - £8,000

CARTIER, AN EMERALD AND ENAMEL DOUBLE PANTHERE RING in 18ct yellow gold, the open band designed as two panthers, the eyes set with round cut emeralds, the spots decorated with black enamel, signed Cartier and numbered, stamped 750, size N1/2 / 7, 16.

Estimate £7,000 - £9,000

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING set with a cushion cut sapphire of 5.18 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

BULGARI, A SAPPHIRE RING set with an oval cabochon sapphire, signed Bulgari and numbered, Italian assay marks, size M1/2 / 6.5, 11.3g. 

Estimate £2,000 - £3,000

A THREE STONE DIAMOND RING set with three round brilliant cut diamonds all totalling 1.82 carats, inscribed 1/1.00 2/0.82, stamped 18K, size Q1/2 / 8.5, 4.4g. 

Estimate £2,000 - £3,000

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of 39.72 carats in a scrolling border set with round brilliant cut diamonds, stamped 750, size N1/2 / 7, 21.7g. 

Estimate £6,000 - £8,000

A 2.01 CARAT SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of 2.01 carats between two baguette cut diamonds both totalling 0.18 carats, stamped 750, size M1/2 / 6.5, 3.7g. Accompanied by a gemmological report stating that the principa

Estimate £7,000 - £9,000

A BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING set with a cushion cut ruby of 8.22 carats in a cluster of old European cut diamonds, the diamonds all totalling 2.1-2.3 carats, no assay marks, size L1/2 / 6, 9.6g. Accompanied by a facsimile gemmologica

Estimate £60,000 - £80,000

A YELLOW SAPPHIRE AND DIAMOND RING set with an oval cut yellow sapphire of 13.09 carats, the stepped shoulders set with round brilliant cut diamonds, no assay marks, size L / 5.75, 5.4g. 

Estimate £3,000 - £5,000

CALLEIJA, A PARAIBA TOURMALINE AND DIAMOND DRESS RING in 18ct white gold, set with an oval mixed cut Paraiba tourmaline of approximately 20.39 carats, the mount and shoulders set with round brilliant cut diamonds, signed Calleija, full British hallma

Estimate £10,000 - £15,000

A TANZANITE AND DIAMOND RING set with an oval cut tanzanite of 6.62 carats in a border of round brilliant cut diamonds, stamped 750, size N / 6.75, 9.0g. 

Estimate £2,200 - £2,800

AN EMERALD, SAPPHIRE AND DIAMOND DRESS RING set with an octagonal step cut emerald between two octagonal step cut sapphires, each in a border of round brilliant cut diamonds, the shoulders accented by further diamonds, stamped 750, size M1/2 / 6.5, 6

Estimate £2,000 - £3,000

A FANCY INTENSE PURPLISH PINK DIAMOND CLUSTER RING set with a cushion cut fancy intense purplish pink diamond of 1.00 carat, in a cluster of round brilliant cut diamonds totalling 0.74, no assay marks, size N / 6.75, 5.8g. Accompanied by a facsimile

Estimate £15,000 - £25,000

BULGARI, A BLUE TOPAZ TRONCHETTO RING in 18ct yellow gold, set with a cabochon blue topaz, signed Bulgari, Italian assay marks, stamped 750, size K1/2 / 5.5, 9.0g. 

Estimate £2,000 - £3,000

CARTIER, A DIAMOND BAND RING in 18ct white gold, the wide band set with five rows of round brilliant cut diamonds, the diamonds totalling 5.3-5.5 carats, signed Cartier and numbered, French assay marks, stamped 750, size K / 5.25, 11.6g. 

Estimate £8,000 - £12,000

A 5.00 CARAT SOLITAIRE DIAMOND RING set with a princess cut diamond of 5.00 carats, the gallery and band set with round brilliant cut diamonds, no assay marks, size M1/2 / 6.5, 4.8g. Accompanied by a gemmological report stating that the diamond is K

Estimate £25,000 - £35,000

A CEYLON SAPPHIRE AND DIAMOND BALLERINA RING set with a cushion cut sapphire of approximately 27.36 carats, in a cluster of tapered baguette cut diamonds, the diamonds totalling 4.57 carats, inscribed S27.36 D4.57, stamped Pt900, size L1/2 / 6, 30.8g

Estimate £15,000 - £25,000

CARTIER, A DIAMOND, EMERALD AND ONYX PANTHERE LAKARDA RING in 18ct white gold, designed as two coiled panthers pave set with round brilliant cut diamonds, the diamonds totalling 7.0-8.0 carats, signed Cartier and numbered, French assay marks, stamped

Estimate £20,000 - £30,000

A 1.12 CARAT FANCY VIVID YELLOW DIAMOND RING set with an octagonal step cut yellow diamond of 1.12 carats, the shoulders set with trapezoid cut diamonds, no assay marks, size L1/2 / 6, 5.4g. Accompanied by a facsimile GIA report stating the centre di

Estimate £10,000 - £15,000

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 6.83 carats in a border of alternating round brilliant and emerald cut diamonds, the shoulders set with trios of round brilliant cut diamonds, the diamonds all totalling 2.33 carat

Estimate £15,000 - £20,000

A THREE STONE DIAMOND RING set with three round brilliant cut diamonds all totalling 2.40 carats, inscribed 1/1.20 2/1.20, no assay marks, size R / 8.5, 5.0g. 

Estimate £2,500 - £3,500

A GREEN GLASS INTAGLIO AND DIAMOND RING set with a green glass intaglio moulded to depict a family crest, in a border of single cut diamonds, no assay marks, size O1/2 / 7.5, 28.1g. 

Estimate £2,000 - £3,000

AN ANTIQUE SARDONYX CAMEO AND PEARL RING in yellow gold, set with an oval sardonyx cameo carved to depict the bust of a classical woman, in a border of seed pearls, no assay marks, size L / 5.75, 10.5g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND AND EMERALD RING set with a point cut diamond and oval cabochon emerald, in a border of rose cut diamonds, on a later band, no assay marks, size N / 6.75, 8.8g. 

Estimate £3,000 - £5,000

A DIAMOND AND SAPPHIRE RING set with an old European cut diamond of approximately 0.60 carats, in a border of calibre cut sapphires, the shoulders set with baguette and single cut diamonds, no assay marks, size N / 6.75, 3.5g. 

Estimate £3,000 - £5,000

A NATURAL FRESHWATER PEARL AND DIAMOND RING set with a pearl of 13.5mm, the shoulders set with marquise cut diamonds, the diamonds totalling 1.2-1.4 carats, no assay marks, size P1/2 / 8, 5.8g. Accompanied by a gemmological report stating that the pe

Estimate £6,000 - £8,000

VAN CLEEF & ARPELS, A TWISTED RING in twisted design, signed Van Cleef & Arpels and numbered, stamped K18, size K1/2 / 5.5, 15.1g.

Estimate £3,000 - £5,000

AN ART DECO BLACK OPAL AND DIAMOND RING in platinum, set with an oval cabochon black opal, the shoulders set with baguette cut diamonds, stamped PLAT, size L / 5.75, 4.1g. 

Estimate £20,000 - £25,000

AN ANTIQUE NATURAL PEARL AND DIAMOND CLUSTER RING set with a pearl of 14.0mm in a cluster of old cut diamonds, no assay marks, size N1/2 / 7, 10.1g. 

Estimate £6,000 - £8,000

BULGARI, A CORAL TRONCHETTO RING in 18ct yellow gold, set with a polished coral, signed Bulgari, Italian assay marks, stamped 750, size L1/2 / 6, 10.4g. 

Estimate £1,000 - £1,500

BULGARI, A SERPENTI RING in 18ct yellow gold, the coiled ring designed as a snake, comprising a row of tubogas links, signed Bulgari, Italian assay marks, stamped 750, size adjustable, 16.0g. 

Estimate £2,000 - £3,000

DIOR, A DIAMOND GRI-GRI RING the wide band set with articulated heart, ladybird, star, bee and shamrock motifs, the bees and ladybirds set with round cut diamonds, signed Dior and numbered, stamped 750, size M / 6.25, 18.6g. 

Estimate £2,000 - £3,000

A DIAMOND ETERNITY RING set all around with marquise cut diamonds, the diamonds all totalling 7.21 carats, inscribed VVS 7.21ct, stamped PT950, size N1/2 / 7, 10.5g. 

Estimate £7,000 - £9,000

A BURMESE RUBY AND DIAMOND THREE STONE RING set with a cushion cut ruby of approximately 1.51 carats, accented on each side by a round brilliant cut diamond, the diamonds both totalling approximately 1.00 carat, no assay marks, size M / 6.25, 4.3g. W

Estimate £5,000 - £7,000

A PERIDOT AND DIAMOND RING set with a cushion cut peridot of 9.45 carats in a border pave set with round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, the diamonds all totalling 2.45 carats, stamped 18K, size N1/2 / 7, 9

Estimate £4,000 - £6,000

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

Estimate £4,000 - £6,000

AN ANTIQUE DIAMOND AND EMERALD DRESS RING in yellow gold, set with three old cut diamonds in a border of calibre cut emeralds, marked indistinctly, size R1/2 / 9, 3.9g. 

Estimate £2,000 - £3,000

AN ANTIQUE TURQUOISE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cabochon turquoise in a cluster of old European cut diamonds, the stylised shoulders set with further diamonds, French import marks, size L / 5.75, 7.2g. 

Estimate £2,000 - £3,000

CHRISTIAN DIOR, A VINTAGE DIAMOND AND ENAMEL SNAKE RING in 18ct yellow gold, designed as a coiled double headed snake, the heads set with single cut diamonds, the body decorated with blue enamel, signed Ch DIOR, stamped 18K, size L / 5.75, 25.3g. 

Estimate £4,000 - £6,000

A THREE STONE DIAMOND RING set with three round brilliant cut diamonds all totalling 3.53 carats, inscribed 1/1.51 2/2.01, stamped 18K, size R / 8.5, 6.1g. 

Estimate £5,000 - £7,000

A PAIR OF DIAMOND AND SAPPHIRE TARGET STUD EARRINGS each set with a rose cut diamond in a concentric border of French cut sapphires and round brilliant cut diamonds, the rose cut diamonds totalling approximately 1.00 carat, stamped 750, 1.5cm, 6.1g. 

Estimate £2,200 - £2,800

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 2.38 carats in a border of round brilliant and baguette cut diamonds, the diamonds all totalling 0.85 carats, stamped 750, size O / 7.25, 4.3g. 

Estimate £2,200 - £2,800

18CT YG & PLAT PEAR SHAPE DIA 3 STONE RING. ACCOMPANIED BY IGI CERT 13J897271704 STATING THE PEAR BRILLIANT IS 1.51CT SHOULDER DIA ARE: 0.47CT 5G

Estimate £4,000 - £6,000

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 3.42 carats in a cluster of round brilliant and tapered baguette cut diamonds, stamped 750, size N1/2 / 7, 3.5g. 

Estimate £2,000 - £3,000

A DIAMOND AND EMERALD TOI ET MOI RING set with a rose cut diamond of 0.86 carats in a border of round brilliant cut diamonds and an oval cut emerald of 2.28 carats in a border of round brilliant cut diamonds, the shoulders set with further diamonds,

Estimate £2,500 - £3,500

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in white gold, set with an octagonal step cut sapphire of 13.49 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.1-1.2 carats, no assay marks, size O1/2 / 7.5, 8.3g.

Estimate £10,000 - £15,000

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 5.32 carats accented by trios of round brilliant cut diamonds, the diamonds all totalling 0.86 carats, stamped 18K, size N / 6.75, 7.1g. 

Estimate £7,000 - £9,000

VAN CLEEF & ARPELS, A RUBY AND DIAMOND FLEURETTE RING in 18ct yellow gold, designed as a flower set with a round brilliant cut diamond in a cluster of round cut rubies, accented on each side by rows of further round brilliant cut diamonds, signed Van

Estimate £2,000 - £3,000

A PAIR OF DIAMOND HOOP EARRINGS each half set with a row of baguette cut diamonds between rows of round brilliant cut diamonds, the diamonds all totalling 2.62 carats, stamped 750, 2.4cm, 7.7g. 

Estimate £2,000 - £3,000

LOT WITHDRAWN.

Estimate £10,000 - £15,000

A YELLOW DIAMOND HALO RING set with an oval cut diamond of 1.01 carats in a concentric border of round brilliant cut yellow and white diamonds, the accenting diamonds all totalling 0.45 carats, stamped 750, size N / 6.75, 4.4g. 

Estimate £2,200 - £2,500

A STAR SAPPHIRE AND DIAMOND RING set with an oval cabochon star sapphire of approximately 12.93 carats, accented on each side by a marquise cut diamond, stamped 14K, size R / 8.75, 16.4g.

Estimate £1,000 - £1,500

A DIAMOND AND RUBY TARGET RING set with a rose cut diamond of 1.17 carats in concentric border of French cut rubies and round brilliant cut diamonds, stamped 750, size Q / 8, 6.0g. 

Estimate £2,500 - £3,500

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

Estimate £4,000 - £6,000

A SAPPHIRE AND DIAMOND RING set with a round cut sapphire in a double border of single cut diamonds, further single cut diamonds set to the shoulders, no assay marks, size N1/2 / 7, 4.2g. 

Estimate £2,000 - £3,000

A BURMA NO HEAT RUBY AND DIAMOND RING in 18ct white gold, set with an octagonal step cut ruby of 1.47 carats, accented on each side by a trillion cut diamond, the diamonds totalling 0.7-0.8 carats, full British hallmarks for Birmingham 2000, size O1/

Estimate £4,000 - £6,000

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

Estimate £2,000 - £3,000