RENE KERN, A SAPPHIRE AND DIAMOND GYPSY RING in 18ct yellow gold, set with a round cabochon sapphire accented on each side by a round brilliant cut diamond, signed Kern and numbered, stamped 750, size J1/2 / 5, 8.1g. 

Estimate £800 - £1,200

A DIAMOND AND ENAMEL GYPSY RING in yellow gold, set with an old cut diamond in a star motif, the band decorated with white enamel, no assay marks, size L1/2 / 6, 4.2g. 

Estimate £600 - £800

A TURQUOISE AND DIAMOND BOMBE RING the domed face set with an old cut diamond in a star motif, over a ground of cabochon turquoise, no assay marks, size N1/2 / 7, 9.9g. 

Estimate £1,500 - £2,500

A FULL DIAMOND ETERNITY RING set all around with a row of marquise and round brilliant cut diamonds, the diamonds all totalling 2.5-2.7 carats, no assay marks, size L / 5.75, 5.0g. 

Estimate £1,200 - £1,600

A VINTAGE QUARTZ DRESS RING in 18ct yellow gold, in modernist design set with faceted quartz, stamped 18C, size N1/2 / 7, 12.11g. 

Estimate £700 - £900

A 2.09 CARAT SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of 2.09 carats flanked by tapered baguette cut diamonds, no assay marks, size K1/2 / 5.5 4.3g. Accompanied by a gemmological report from GIA stating that the diam

Estimate £8,000 - £12,000

A DIAMOND GYPSY RING in yellow gold, set with an old cut diamond of approximately 0.60 carats on a fluted band, no assay marks, size R1/2 / 9, 4.5g. 

Estimate £600 - £800

A MOONSTONE AND DIAMOND RING in 18ct yellow gold and silver, set with an oval cabochon moonstone accented by round cut diamonds, the shoulders set with further round cut diamonds, stamped 750, size M / 6.25, 3.3g. 

Estimate £1,000 - £1,500

A DIAMOND FULL ETERNITY RING in platinum, set all around with a row of princess cut diamonds all totalling 2.90 carats, inscribed D2.90, stamped PT950, size N / 6.75, 4.8g.  

Estimate £1,200 - £1,600

AN AQUAMARINE AND DIAMOND DRESS RING in 14ct white gold, set with an octagonal step cut aquamarine of approximately 17.68 carats, accented on each side by a pear cut diamond, stamped 14K, size L / 5.75, 10.3g. 

Estimate £2,000 - £3,000

A TSAVORITE GARNET AND DIAMOND RING in platinum, set with a cushion cut tsavorite garnet of approximately 3.02 carats, the stepped shoulders set with old cut diamonds, stamped PLATINUM, size O1/2 / 7.5, 4.8g.

Estimate £2,000 - £3,000

AN ANTIQUE GEORGIAN DIAMOND CLUSTER RING in yellow gold and silver, set with a rose cut diamond in a cluster of further rose cut diamonds, no assay marks, size N / 6.75, 3.7g. 

Estimate £2,500 - £3,500

A DIAMOND DRESS RING in yellow gold and silver, the oval face set throughout with old cut diamonds, no assay marks, size L1/2 / 6, 13.5g. 

Estimate £5,000 - £7,000

A DIAMOND AND ENAMEL GYPSY RING in 18ct yellow gold, set with an old cut diamond in a star motif, the band decorated with black enamel, full British hallmarks, size L1/2 / 6, 5.4g. 

Estimate £500 - £700

A RUBY AND DIAMOND RING in yellow gold and platinum, set with an oval cut ruby of approximately 1.10 carats between two old European cut diamonds, accented by further diamonds, no assay marks, size H / 3.75, 2.1g. 

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND BELT RING in 9ct yellow gold, designed as a belt accented by rose cut diamonds, full British hallmarks for Birmingham 1902, size O1/2 / 7.5, 3.0g. 

Estimate £300 - £500

A VINTAGE DIAMOND RING in 18ct yellow gold, the fluted band set with round cut diamonds, full British hallmarks for London 1978, size M / 6.25, 5.8g. 

Estimate £300 - £500

A DIAMOND RING in yellow gold and silver, set with a pear shaped old cut diamond of approximately 2.00 carats, no assay marks, size L1/2 / 6, 5.2g. 

Estimate £7,000 - £9,000

A DIAMOND AND BLUE GLASS RING in yellow gold, comprising a blue glass with applied foliate motifs set with rose cut diamonds, no assay marks, size K / 5.25, 7.8g. 

Estimate £2,500 - £3,500

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with an oval cut sapphire of approximately 0.45 carats, accented on each side by trios of round brilliant cut diamonds, stamped 750, size N1/2 / 7, 6.7g. 

Estimate £800 - £1,200

A FRENCH MICRO MOSAIC RING in 18ct yellow gold, the round face set with pieces of coloured glass to depict a bird amongst foliage, the shoulders accented by oval cut sapphires, French assay marks, size P / 7.75, 13.1g. 

Estimate £1,500 - £2,500

A CATS'S EYE CHRYSOBERYL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cabochon cat's eye chrysoberyl of approximately 17.31 carats in a cluster of round brilliant cut diamonds, stamped 18CT, size P / 7.75, 10.6g. 

Estimate £7,000 - £9,000

A PAIR OF EMERALD AND DIAMOND DROP EARRINGS in platinum, each set with three cushion cut emeralds accented by baguette cut diamonds, suspending a further cushion cut emerald in a border of round brilliant cut diamonds, the emeralds all totalling 28.4

Estimate £60,000 - £80,000

A COLOMBIAN EMERALD AND DIAMOND CLUSTER RING in 14ct yellow gold, set with an oval cabochon emerald of 6.43 carats in a cluster of old cut diamonds, the diamonds all totalling 1.0-1.2 carats, stamped 585, size L1/2 / 6, 5.6g. With a gemmological verb

Estimate £6,000 - £8,000

A FINE BLACK OPAL AND DIAMOND DRESS RING in platinum and yellow gold, set with a cabochon black opal in a stylised border of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, no assay marks, size M / 6.25, 9.0

Estimate £8,000 - £12,000

A BURMA NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a cushion cut sapphire of approximately 3.75 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 0.9-1.1 carats, stamped 750, size I / 4.25, 5.

Estimate £8,000 - £12,000

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an octagonal step cut yellow sapphire of approximately 3.60 carats in a cluster of round brilliant and baguette cut diamonds, the diamonds all totalling 0.9-1.0 carat, stamped PLAT, siz

Estimate £1,500 - £2,500

AN EMERALD AND DIAMOND THREE STONE RING in platinum, set with an octagonal step cut emerald of approximately 1.70 carats, accented on each side by a round brilliant cut diamond, the diamonds all totalling 0.6-0.7 carats, stamped PLAT, size N1/2 / 7,

Estimate £1,500 - £2,500

KAT FLORENCE, A DIAMOND DRESS RING in 18ct white gold, the undulating band set with round brilliant cut diamonds all totalling 0.54 carats, signed KAT FLORENCE, inscribed D0.54, stamped 18K, size Q / 8, 20.7g. Accompanied by a Kat Florence certificat

Estimate £3,000 - £5,000

CARTIER, A RUBELLITE TOURMALINE RING in 18ct white gold, set with a square step cut rubellite tourmaline, signed Cartier and numbered, stamped 750, size M / 6.25, 12.7g. 

Estimate £1,500 - £2,500

A THREE STONE DIAMOND RING in 18ct yellow gold, set with three emerald cut diamonds, the diamonds all totalling approximately 1.00 carat, full British hallmarks for London 2001, size M / 6.25, 2.6g. 

Estimate £1,200 - £1,600

AN AQUAMARINE AND DIAMOND RING in platinum, set with an oval cut aquamarine of 5.30 carats, the shoulders set with round brilliant cut diamonds, stamped PLAT, size K / 5.25, 5.5g. 

Estimate £1,000 - £1,500

BOUCHERON, A QUATRE BLACK EDITION SMALL RING in 18ct white gold, the fluted white gold band with a central black PVD band, signed Boucheron and numbered, stamped Au750, size O1/2 / 7.5, 7.4g. Accompanied by a Boucheron booklet of authenticity. 

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a cushion cut sapphire of approximately 2.80 carats, in a cluster of round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 4.2g. 

Estimate £2,000 - £3,000

AN AQUAMARINE, RUBY AND DIAMOND RING in platinum, set with a square step cut aquamarine in a border of square step cut rubies and round brilliant cut diamonds, stamped PLAT, size N1/2 / 7, 3.7g. 

Estimate £500 - £700

AN ANTIQUE DIAMOND AND WHITE GEMSTONE DRESS RING in yellow gold, set with two old cut diamonds and a colourless gemstone to the centre, accented on each side by a further old cut diamond, the diamonds all totalling 1.0-1.3 carats, no assay marks, siz

Estimate £1,000 - £1,500

A SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut sapphire accented by calibre cut sapphires and single cut diamonds, no assay marks, size M1/2 / 6.5, 3.9g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND DRESS RING in platinum, set with an octagonal step cut emerald of approximately 0.95 carats in a border of round brilliant cut diamonds, the shoulders set with baguette cut diamonds, stamped PLAT, size N / 6.75, 3.3g. 

Estimate £1,000 - £1,500

A DIAMOND ETERNITY RING in white gold, set all around with a row of carre cut diamonds, the diamonds all totalling 2.0-2.2 carats, signed Cartier, no assay marks, size N / 6.75, 3.4g. 

Estimate £4,000 - £6,000

A SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut sapphire accented on each side by a tapered baguette cut diamond, stamped 10%IRIDPLAT, size L / 5.75, 4.0g. 

Estimate £800 - £1,200

A VINTAGE DIAMOND AND AGATE FLOWER RING in 18ct yellow gold, set with a blue agate carved to depict a flower, accented by round brilliant cut diamonds, on a bifurcated band, full British hallmarks for London 1978, size L1/2 / 6, 4.0g. 

Estimate £300 - £500

A SAPPHIRE AND DIAMOND FIVE STONE RING in 18ct yellow gold, set with a row of oval and round cut sapphires and old cut diamonds, full British hallmarks for Birmingham 1933, size O1/2 / 7.5, 4.2g. 

Estimate £800 - £1,200

AN ANTIQUE PEARL AND ENAMEL RING in yellow gold, the tapering band set with pearls and accented by blue enamel, with a glass covered locket panel to the reverse, no assay marks, size K / 5.25, 3.0g. 

Estimate £800 - £1,200

AN ANTIQUE SAPPHIRE AND DIAMOND RING in yellow gold and silver, set with a row of round cut sapphires in a border of old cut diamonds, no assay marks, size R / 8.75, 4.6g. 

Estimate £1,200 - £1,600

AN ANTIQUE RUBY, DIAMOND AND PEARL RING in 18ct yellow gold, set with an old cut diamond and round cut rubies, accented by two pearls, full British hallmarks for Birmingham 1906, size N / 6.75, 3.8g. 

Estimate £400 - £600

AN AQUAMARINE AND DIAMOND RING in platinum, set with an octagonal step cut aquamarine of approximately 3.50 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, size N / 6.75, 6.4g. 

Estimate £1,200 - £1,600

A STAR SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an oval cabochon star sapphire of approximately 10.00 carats, in a stylised border of round brilliant, single and old cut diamonds all totalling 4.0-4.5 carats, no assay marks, size L / 5.7

Estimate £6,000 - £8,000

A TURQUOISE AND DIAMOND CLUSTER RING set with a round cabochon turquoise in a cluster of round cut diamonds, no assay marks, size P / 7.5, 13.6g. 

Estimate £2,200 - £2,800

A MOONSTONE AND DIAMOND CLUSTER RING in yellow gold, set with a cabochon moonstone in a cluster of old cut diamonds, the shoulders accented by further diamonds, no assay marks, size P1/2 / 8, 3.9g. 

Estimate £1,500 - £2,500

A BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING in yellow gold, set with an oval cut ruby of approximately 0.61 carats in a cluster of round brilliant cut diamonds, no assay marks, size L1/2 / 6, 1.7g. With a gemmological verbal assesment stating the r

Estimate £6,000 - £8,000

A SPHENE AND DIAMOND RING in 18ct yellow gold, set with a cushion cut sphene of approximately 9.83 carats, the shoulders accented by round cut diamonds, stamped 750, size N / 6.75, 9.3g. 

Estimate £6,000 - £8,000

A VINTAGE AQUAMARINE AND DIAMOND CLUSTER RING, 1970S in 18ct white gold, set with a cushion cut aquamarine of approximately 4.40 carats, accented by trios of round brilliant cut diamonds, full British hallmarks for 1977, size L1/2 / 6, 9.1g. 

Estimate £1,000 - £1,500

AN ANTIQUE VICTORIAN ENAMEL MOURNING BAND RING in 18ct yellow gold, decorated with black enamel and the words 'IN MEMORY OF' around the band, inscribed 'W.G Wade, died Oct 6th 1868, aged 28 years M.A Wade died May 16th 1896, aged 57 years', full Brit

Estimate £800 - £1,200

A GARNET RING in 18ct yellow gold and silver, set with an oval cabochon garnet, full British hallmarks, size S / 9.25, 14.1g. 

Estimate £600 - £800

AN ANTIQUE GEORGIAN DIAMOND, GARNET AND EMERALD RING in yellow gold, set with an old cut diamond and a cushion cut garnet, accented by rose cut diamonds and cushion cut emeralds, no assay marks, size L1/2 / 6, 2.0g. 

Estimate £2,000 - £3,000

AN ANTIQUE GEORGIAN DIAMOND CLUSTER RING in yellow gold and silver, set with a cluster of rose cut diamonds, no assay marks, size Q1/2 / 8.5, 3.1g. 

Estimate £600 - £800

A BURMESE RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby of 10.35 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 2.0-2.5 carats, stamped 18K, size N / 6.75, 9.3g. 

Estimate £15,000 - £20,000

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut emerald of approximately 1.50 carats in a cluster of round brilliant and baguette cut diamonds, stamped 750, size N / 6.75, 4.6g. 

Estimate £1,500 - £2,500

A 8.14 CARAT UNHEATED FANCY COLOUR SAPPHIRE AND DIAMOND RING set with an octagonal step cut green brown sapphire of 8.14 carats, accented by old and rose cut diamonds, no assay marks, size M1/2 / 6.5, 8.6g. Accompanied by a facsimile gemmological rep

Estimate £7,000 - £9,000

A RUBY AND DIAMOND BOW RING pave set with round cut rubies and round and baguette cut diamonds, no assay marks, size I / 4, 9.5g.

Estimate £1,500 - £2,500

AN ORANGE SAPPHIRE AND DIAMOND THREE STONE RING in 18ct white gold, set with a cushion cut orange sapphire of 2.66 carats between two round brilliant cut diamonds, full British hallmarks, size M / 6.25, 3.5g. 

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND RING in 18ct yellow gold, set with two rows of old cut diamonds, stamped 18CT, size M / 6.25, 2.4g. 

Estimate £1,200 - £1,600

A CITRINE AND DIAMOND RING in 9ct white gold, set with an oval cut citrine of approximately 12.00 carats, to a diamond set collet, partial British hallmarks, size N / 6.75, 10.9g.

Estimate £800 - £1,200

A RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut ruby of approximately 1.01 carats in a cluster of round brilliant cut diamonds, stamped 750, size N1/2 / 7, 3.3g. 

Estimate £1,500 - £2,500

AN EMERALD AND DIAMOND DRESS RING in 18ct yellow gold, designed as three flowers each set to the centre with a round brilliant cut diamond surrounded by a cluster of emeralds, stamped 18K, size M / 6.25, 9.3g. 

Estimate £800 - £1,200

AN EMERALD AND DIAMOND RING in 9ct yellow gold, set with an oval cut emerald in a border of round cut emeralds, accented by round cut diamonds, stamped 375, size L / 5.75, 3.0g. 

Estimate £200 - £300

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of approximately 1.00 carat in a cluster of round brilliant cut diamonds, the diamonds all totalling 0.9-1.0 carats, stamped 18CT, size N1/2 / 7, 3.1g. 

Estimate £1,500 - £2,500

A PINK SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut pink sapphire of approximately 4.69 carats in a double border of old cut diamonds, stamped PLAT, size S1/2 / 9.5, 7.5g. 

Estimate £6,000 - £8,000

A DIAMOND DRESS RING in 18ct yellow gold, the scrolling band set with round brilliant cut diamonds, stamped 18K, size M / 6.25, 12.7g. 

Estimate £1,000 - £1,500

A SPINEL AND DIAMOND RING in platinum, set with a trillion cut spinel of approximately 3.00 carats, in a border set with round brilliant cut diamonds, stamped PT950, size N / 6.75, 10.6g.

Estimate £3,500 - £5,500

A PERIDOT AND DIAMOND DRESS RING in 18ct white gold, set with a faceted peridot of approximately 4.04 carats, in a border of round cut diamonds, the shoulders set with further round cut diamonds, stamped 750, size M1/2 / 6.5, 5.9g. 

Estimate £1,000 - £1,500

A JADEITE JADE DIAMOND RING in 14ct yellow gold, set with a piece of polished jadeite jade, accented by round brilliant cut diamonds, stamped 585, size O / 7.25, 5.5g. 

Estimate £500 - £700

A SAPPHIRE AND DIAMOND THREE STONE RING in platinum, set with an oval cut sapphire between two round brilliant cur diamonds, marked indistinctly, size N / 6.75, 3.2g.  

Estimate £400 - £600

CHIMENTO, A DIAMOND DRESS RING in 18ct white gold, the flexible brick link band set with round brilliant cut diamonds, signed Chimento, stamped 750, size O1/2 / 7.5, 12.9g. 

Estimate £800 - £1,200

A RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut ruby of approximately 1.30 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 0.9-1.0 carats, stamped 750, size N / 6.75, 3.8g. 

Estimate £1,500 - £2,500

A VINTAGE AMETHYST AND DIAMOND RING pave set with round brilliant cut diamonds, accented by two polished amethyst cabochons, no assay marks, size N / 6.5, 9.6g. 

Estimate £1,500 - £2,500

A RUBELLITE TOURMALINE AND DIAMOND RING in 18ct white gold, set with an oval cut rubellite tourmaline of approximately 8.15 carats, to a bifurcated band set with round brilliant cut diamonds, partial British hallmarks, size N1/2 / 7, 6.2g.

Estimate £3,000 - £5,000

A DIAMOND CLUSTER RING in 18ct white gold, set with a round brilliant cut diamond of approximately 0.61 carats in a cluster of further round brilliant cut diamonds, stamped 18, size Q1/2 / 8.25, 4.7g. 

Estimate £800 - £1,200

CHAUMET, A DIAMOND BAND RING in 18ct white gold, comprising a central black rubber band accented by round brilliant cut diamonds, signed Chaumet and numbered, stamped 750, size M / 6.25, 7.1g. 

Estimate £800 - £1,200

AN AQUAMARINE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cut aquamarine of approximately 2.30 carats, in a cluster of round cut diamonds, the shoulders accented by further round cut diamonds, stamped 750, size M / 6.25, 4.6g. 

Estimate £1,200 - £1,600

A GREEN TOURMALINE AND DIAMOND RING in 18ct yellow gold, set with an oval cut green tourmaline of 8.53 carats to diamond set shoulders, partial British hallmarks, size N1/2 / 7, 11.3g.

Estimate £4,000 - £6,000

THEO FENNEL, A DIAMOND RING in platinum, set with a princess cut diamond of 1.04 carats, the band accented by trios of princess cut diamonds, the diamonds all totalling approximately 2.00 carats, Theo Fennel maker's mark, full British hallmarks, size

Estimate £4,000 - £5,000

A SOLITAIRE DIAMOND RING in yellow gold, set with an old cut diamond of approximately 1.06 carats, no assay marks, size R / 8.75, 2.6g. 

Estimate £1,500 - £2,500

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut aquamarine of approximately 1.11 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 0.7-0.8 carats, stamped 18ct, size N1/2 / 7, 3.7g. 

Estimate £1,200 - £1,600

A RUBY AND DIAMOND DRESS RING in platinum, set with an oval cut ruby of 2.83 carats in a double border of single cut diamonds, the shoulders set with further diamonds, no assay marks, size N1/2 / 7, 5.9g. 

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with an oval cut sapphire of approximately 1.20 carats, accented on each side by an old cut diamond, the diamonds all totalling 1.3-1.4 carats, stamped 18CT, size O1/2 / 7.5, 4.1g. 

Estimate £2,500 - £3,500

AN ANTIQUE GARNET AND PASTE RING in yellow gold, set with an oval cut garnet accented by old cut paste stones, no assay marks, size P / 7.75, 2.0g. 

Estimate £500 - £700

AN ANTIQUE DIAMOND AND EMERALD CLUSTER RING in yellow gold, set with an old cut diamond in a cluster of cushion cut emeralds and further old cut diamonds, no assay marks, size L1/2 / 6, 3.5g. 

Estimate £2,500 - £3,500

AN ANTIQUE PEARL, DIAMOND AND ENAMEL RING in 18ct yellow gold, set with an old cut diamond in a cluster of pearls, accented by rose cut diamonds, the band decorated with black enamel, glass covered panel to the reverse with hairwork, full British hal

Estimate £1,000 - £1,500

A DIAMOND DRESS RING in 18ct white gold, the rectangular face in scrolling design set with two old European cut diamonds, stamped 750, size P1/2 / 8, 3.6g. 

Estimate £500 - £700

A SAPPHIRE AND DIAMOND CLUSTER RING in 14ct white gold, set with an oval cut sapphire in a border of round brilliant cut diamonds, the bifurcated band set with further round brilliant cut diamonds, stamped 14K, size M / 6.25, 3.4g. 

Estimate £1,000 - £1,500

A DIAMOND DRESS RING set with a row of baguette cut diamonds in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.1-1.2 carats, no assay marks, size M / 6.25, 5.8g. 

Estimate £2,500 - £3,500

A DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds, the diamonds all totalling 1.8-2.0 carats, stamped 18CT, size N1/2 / 7, 8.0g. 

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a cushion cut sapphire of approximately 1.80 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 0.7-0.8 carats, stamped 18CT, size O / 7.25, 4.7g. 

Estimate £1,000 - £1,500

AN ANTIQUE TURQUOISE AND DIAMOND CLUSTER RING yellow gold and silver, set with three cabochon turquoise in a cluster of old cut diamonds, no assay marks size L1/2 / 6, 5.1g. 

Estimate £1,000 - £1,500

A DIAMOND BOMBE RING in 18ct white gold, set to the centre with a cluster of single cut diamonds, the domed body set with further single cut diamonds, stamped 750, size O / 7.25, 5.6g. 

Estimate £1,000 - £1,500

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine in a border of single cut diamonds, no assay marks, size M1/2 / 6.5, 6.7g. 

Estimate £1,000 - £1,500

AN ONYX AND DIAMOND RING set with an octagonal polished onyx, accented by brilliant cut diamonds all totalling 0.5-0.6 carats, no assay marks, size L / 5.5, 6.9g.

Estimate £800 - £1,200