NO RESERVE - CARTIER, A WEDDING BAND RING in platinum, signed Cartier and numbered, stamped Pt950, size P1/2 / 7.75, 6.2g. Accompanied by a Cartier jewellery pouch. 

Estimate £500 - £700

CARTIER, A SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of 0.36 carats, inscribed 0.36, signed Cartier and numbered, stamped PT950, size I1/2 / 4.5, 2.9g. Accompanied by original box and papers and a gemologic

Estimate £600 - £800

A PERIDOT AND DIAMOND RING in 18ct white gold, set with a cushion cut peridot of approximately 2.33 carats, the band set with a row of round brilliant cut diamonds, stamped 750, size N1/2 / 7, 4.0g. 

Estimate £400 - £600

BULGARI, A CABOCHON RING in 18ct yellow gold, the domed body with a cut out design, signed BVLGARI, stamped 750, size L1/2 / 6, 10.3g. Accompanied by a Bvlgari box. 

Estimate £600 - £800

NO RESERVE - A DIAMOND DRESS RING in 18ct yellow gold, in a wave design set with three round brilliant cut diamonds, full British hallmarks, size O / 7.25, 4.9g. 

Estimate £200 - £300

A BOULDER OPAL AND DIAMOND CLUSTER RING in white gold, set with an oval cabochon cut boulder opal in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.5-1.6 carats, no assay marks, size P / 7.75, 11.5g. 

Estimate £800 - £1,200

A COLOMBIAN EMERALD AND DIAMOND CLUSTER RING in 18ct yellow and white gold, set with an octagonal step cut emerald of approximately 3.53 carats in a border of round brilliant cut diamonds, full British hallmarks, size P1/2 / 8, 6.1g. Accompanied by a

Estimate £2,000 - £3,000

A DIAMOND THREE STONE RING in 18ct yellow gold and platinum, set with three old cut diamonds all totalling 0.8-0.9 carats, stamped 18CT PLAT, size P1/2 / 8, 4.0g. 

Estimate £1,200 - £1,800

A SAPPHIRE AND DIAMOND SNAKE RING in 18ct yellow gold, the ring designed as an articulated snake, the head and tail pave set with round brilliant cut diamonds, the eyes set with marquise cut sapphires, stamped 750, size adjustable from K / 5.25 to M

Estimate £800 - £1,200

NO RESERVE - AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in yellow and white gold, set with five round cut sapphires accented by rose cut diamonds, no assay marks, size P1/2 / 7.75, 2.8g. 

Estimate £300 - £500

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a radiant cut diamond of 1.01 carats, full British hallmarks, size K / 5.25, 3.3g. Accompanied by a facsimile gemmological report from GIA stating that the diamond is F colour and VS2 clarity. 

Estimate £2,000 - £3,000

NO RESERVE - A DIAMOND HALF ETERNITY RING in platinum, the band half set with a row of round brilliant cut diamonds, no assay marks, size K / 5.25, 3.2g. 

Estimate £400 - £600

NO RESERVE - A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.50 carats, full British hallmarks, size G1/2 / 3.5, 2.7g. 

Estimate £200 - £300

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut yellow sapphire of 7.92 carats in a cluster of round brilliant and pear cut diamonds, the diamonds all totalling 1.73 carats, stamped PT900, size M / 6.25, 12.3g. 

Estimate £3,000 - £5,000

NO RESERVE - TIFFANY & CO, TWO WEDDING BAND RINGS one in 18ct yellow gold, engraved N&D, signed Tiffany & Co, stamped Au750, size P / 7.75, 3.6g, together with another Tiffany & Co wedding band ring in platinum, signed Tiffany & Co, stamped PT950, si

Estimate £250 - £350

A DIAMOND RING in 18ct yellow gold, the tapering band set with a princess cut diamond of approximately 1.00 carat, accented by a baguette and a trillion cut diamond, MA maker's mark, stamped 18K, size N1/2 / 7, 6.9g. 

Estimate £2,000 - £3,000

A TANZANITE AND DIAMOND RING in 18ct white gold, set with a cushion cut tanzanite of 3.89 carats between shoulders set with emerald cut diamonds, stamped 750, size M1/2 / 6.5, 4.1g. 

Estimate £1,200 - £1,600

A TURQUOISE ETERNITY RING in 14ct yellow gold, set with a row of round cabochon turquoise, stamped 14k, size O / 7.25, 1.1g.

Estimate £100 - £150

NO RESERVE - AN ANTIQUE SAPPHIRE DOUBLET AND DIAMOND CLUSTER RING in yellow gold, set with a round cut sapphire doublet in a cluster of rose cut diamonds, no assay marks, size L1/2 / 6, 3.8g. 

Estimate £200 - £300

A ROCK CRYSTAL, EMERALD AND DIAMOND RING in 14ct yellow gold, comprising a carved frosted rock crystal flower set with an octagonal step cut emerald, accented by round brilliant cut diamonds, stamped 14K, size N1/2 / 7, 6.1g.

Estimate £400 - £600

BULGARI, A CICLADI RING in 18ct yellow gold, comprising a cluster of articulated discs, signed BVLGARI, stamped 750, size L / 5.75, 9.4g. Accompanied by a Bvlgari box. 

Estimate £500 - £700

AN ANTIQUE PASTE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a mixed cut green paste stone in a cluster of old European cut diamonds totalling 2.0-2.5 carats, no assay marks, size O / 7.25, 6.0g.

Estimate £2,000 - £3,000

A SOLITAIRE DIAMOND RING in 18ct white gold, set with an old cut diamond of approximately 0.95 carats, no assay marks, size M1/2 / 6.5, 3.4g. 

Estimate £1,200 - £1,800

A ROCK CRYSTAL, DIAMOND, ENAMEL RING in 18ct white gold, comprising a lozenge shaped rock crystal set with a round brilliant cut diamond, within a border of round brilliant cut diamonds and black enamel, the band set with further diamonds and enamel,

Estimate £1,200 - £1,800

TIFFANY & CO., A SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of 0.45 carats, signed Tiffany & Co., stamped PT950, size K1/2 / 5.5, 4.4g. Accompanied by a Tiffany & Co. box and gemmological report from GIA sta

Estimate £1,000 - £1,500

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct white gold, set with an octagonal step cut aquamarine of 2.84 carats in a border of princess and round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 5.6g. 

Estimate £1,000 - £1,500

TIFFANY & CO., A DIAMOND ETOILE RING in platinum, the band set with staggered round brilliant cut diamonds, signed T & Co., stamped PT950, size K / 5.25, 7.0g. Accompanied by a Tiffany & Co. box. 

Estimate £500 - £700

A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an oval cut sapphire of 0.91 carats on a stylised mount set with round brilliant and baguette cut diamonds, inscribed 0.91 0.57, stamped Pt900, size L / 5.75, 7.9g. 

Estimate £600 - £800

A DIAMOND AND ONYX DRESS RING set with three old European cut diamonds measuring approximately 0.28, 0.34 and 0.36 carats respectively, in borders of polished onyx accented by a frame of single cut diamonds, no assay marks, size N1/2 / 7, 8.6g. 

Estimate £2,000 - £3,000

TIFFANY & CO, A DIAMOND FULL ETERNITY RING in platinum, set all around with a row of round brilliant cut diamonds all totalling approximately 1.80 carats, signed Tiffany & Co., stamped PT950, size M / 6.25, 6.4g. Accompanied by a Tiffany & Co. box. 

Estimate £2,000 - £3,000

A BURMA NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and silver, set with a cushion cut sapphire of 7.23 carats in a cluster of old cut diamonds all totalling 1.5-1.6 carats, on trifurcated shoulders, no assay marks, size O1/2 / 7.5,

Estimate £15,000 - £20,000

TIFFANY & CO, A VANNERIE LATTICE RING in 18ct yellow gold, in a domed basket weave style, set with fourteen round brilliant cut diamonds, signed T&CO, stamped 750, size M / 6, 8.4g.

Estimate £1,000 - £1,500

A STAR SAPPHIRE AND DIAMOND RING in 14ct white gold, the tapering textured band set with a cabochon star sapphire of approximately 20.00 carats, each side accented by a tapering baguette cut diamond, stamped 14K, size S1/2 / 9.25, 17.3g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cabochon emerald of approximately 8.54 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 1.8-2.0 carats, stamped 750, size O1/2 / 7.5, 18.1g. 

Estimate £1,000 - £1,500

A RETRO DIAMOND DRESS RING in yellow gold, the wide tapering band set with a cluster of old cut diamonds all totalling 0.9-1.1 carats, no assay marks, size N / 6.75, 8.9g. 

Estimate £600 - £800

A TURQUOISE FIVE STONE RING in 18ct yellow gold, set with five oval cabochon cut turquoise, stamped 18K, size M1/2 / 6.5, 1.3g. 

Estimate £200 - £300

A VINTAGE, A SAPPHIRE AND DIAMOND RING in 18ct yellow gold and platinum, set with a cushion cut sapphire in a cluster of old cut diamonds, each shoulder set with an oval cut sapphire, AE & S maker's mark, stamped 18CT PLAT, size J1/2 / 5, 3.2g. 

Estimate £800 - £1,200

NO RESERVE - AN ANTIQUE DIAMOND RING in 18ct yellow gold, set with a row of old cut diamonds, partial British hallmarks, size M / 6.25, 2.6g.

Estimate £100 - £150

AN EMERALD AND DIAMOND DRESS RING in 18ct yellow gold, set with three octagonal step cut emeralds in a border of round brilliant cut diamonds, stamped 750, size L / 5.75, 5.6g. 

Estimate £300 - £500

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut sapphire of 4.53 carats in a cluster of round brilliant cut diamonds, the band set with further diamonds, the diamonds all totalling 1.86 carats, stamped 750, size M1/2 / 6.

Estimate £4,000 - £6,000

TIFFANY & CO., A SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a princess cut diamond of 0.90 carats, inscribed 0.90, signed Tiffany & Co., stamped PT950, size H1/2 / 4, 4.3g. Accompanied by original box and papers and a Tiffany & Co. diamo

Estimate £2,500 - £3,500

A RUBY AND DIAMOND CLUSTER RING in platinum, set with an oval cut ruby of 1.31 carats in a stylised cluster of tapered baguette and round brilliant cut diamonds, the diamonds totalling 1.10 carats, inscribed 1.31 D1.10, stamped PT900, size L / 5.75,

Estimate £1,200 - £1,800

AN OPAL, ORANGE SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cut orange sapphire of 1.48 carats between two pear-shaped cabochon opals, each set within a border of round brilliant cut diamonds, stamped 750, size N / 6.75, 4.7

Estimate £600 - £800

AN OPAL AND PINK TOURMALINE RING in 18ct yellow gold, set all around with oval cabochon cut opals and pairs of round cabochon cut pink tourmalines, stamped 18K, size N / 6.75, 1.9g.

Estimate £300 - £500

TIFFANY & CO, A SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a princess cut diamond of 0.60 carats, inscribed D0.60CT, signed Tiffany & Co., stamped PT950, size J / 4.75, 4.2g. Accompanied by original box, a Tiffany & Co. diamond certifica

Estimate £1,500 - £2,500

A CITRINE, YELLOW SAPPHIRE AND DIAMOND DRESS RING in yellow gold, set with a marquise shaped faceted citrine accented by rows of round brilliant and round cut yellow sapphires diamonds, the diamonds all totalling 2.5-3.0 carats, no assay marks, size

Estimate £1,500 - £2,500

AN IOLITE, AGATE AND DIAMOND RING in 18ct white gold, set with an octagonal step cut iolite of 1.73 carats accented by a border of polished white agate and round brilliant cut diamonds, inscribed S1.73 1.00ct d0.15ct, stamped Au750, size N / 6.75, 4.

Estimate £800 - £1,200

AN EMERALD AND DIAMOND RING in 18ct white gold, set with a square step cut emerald between two step cut diamonds on a scrolling mount, stamped 750, size O / 7.25, 3.5g. 

Estimate £250 - £350

A SAPPHIRE RING in rose gold, set with three cushion cut sapphires punctuated by pairs of round cut sapphires, the sapphires all totalling 2.5-3.0 carats, no assay marks, size P / 7.5, 3.4g. 

Estimate £500 - £700

A SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of approximately 1.35 carats, no assay marks, size S / 9, 3.1g. 

Estimate £1,200 - £1,800

A DIAMOND CLUSTER RING in white gold, set with a cluster of old cut diamonds within an engraved gallery, marked indistinctly, size L1/2 / 6, 2.8g. 

Estimate £500 - £700

A DIAMOND AND ENAMEL DRESS RING in 14ct yellow gold, the openwork face set with round brilliant cut diamonds accented by blue enamel, stamped 14K, size M / 6.25, 7.4g. 

Estimate £800 - £1,200

A MOONSTONE ETERNITY BAND RING in 14ct yellow gold, set with three rows of round cabochon cut moonstones, no assay marks, size O / 7.25, 3.1g. 

Estimate £400 - £600

A DIAMOND DRESS RING set with two old European cut diamonds of approximately 0.61 and 0.69 carats respectively, accented by round brilliant and single cut diamonds, no assay marks, size O / 7.25, 7.2g. 

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut sapphire of 2.04 carats on a bifurcated band set with round brilliant cut diamonds, inscribed 2.04 D 0.32, stamped Pt900, size M1/2 / 6.5, 6.0g. 

Estimate £1,200 - £1,800

A PERIDOT AND DIAMOND DRESS RING in 18ct white gold, set with an oval cut peridot of 5.67 carats the shoulders set with princess and round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 7.1g. 

Estimate £800 - £1,200

A DIAMOND AND SYNTHETIC SAPPHIRE CLUSTER RING in platinum and 18ct white gold, set with a round brilliant cut diamond of approximately 1.43 carats in a cluster of round cut synthetic sapphires and further round brilliant cut diamonds, the diamonds al

Estimate £4,000 - £6,000

A RUBY AND DIAMOND RING in platinum, set with an oval cut ruby of 1.07 carats, the shoulders accented by two round brilliant cut diamonds, stamped PT900, size J / 4.75, 4.9g. 

Estimate £400 - £600

A MULTICOLOUR SAPPHIRE ETERNITY RING in 18ct yellow gold, set with a row of eleven oval cut pink, blue, yellow, green, orange sapphires all totalling 3.05 carats, stamped 18k, size N1/2 / 7, 1.3g.

Estimate £200 - £300

AN OPAL, PINK SAPPHIRE, EMERALD AND DIAMOND DRESS RING in 14ct yellow gold, set with a pear shaped opal cabochon in a border of round brilliant cut diamonds and pear cut pink sapphires and emeralds, stamped 14K, size O / 7.25, 7.1g. 

Estimate £600 - £800

A 5.46 CARAT FANCY INTENSE YELLOW DIAMOND RING in platinum, set with an emerald cut yellow diamond of 5.46 carats, accented on each side by a tapered baguette cut diamond, no assay marks, size N1/2 / 7, 7.0g. Accompanied by a gemmological report from

Estimate £10,000 - £15,000

A DIAMOND FULL ETERNITY RING in 18ct white gold, the flexible band set all around with a row of round brilliant cut diamonds all totalling 1.50 carats, stamped 750, size Q / 8, 4.2g. 

Estimate £1,000 - £1,500

A SOLITAIRE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond, of approximately 0.90 carats to stylised diamond set shoulders, stamped 18, size M1/2 / 6.5, 5.4g.

Estimate £600 - £800

AN EMERALD AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut emerald of 3.96 carats in a cluster of round brilliant cut diamonds, the bifurcated shoulders set with further diamonds, the diamonds all totalling 1.60 carats, stamped 750,

Estimate £3,000 - £5,000

A VINTAGE DIAMOND TWO STONE RING, 1930S in white gold, set with two old European cut diamonds of approximately 0.47 and 0.50 carats, accented by single cut diamonds, no assay marks, size L1/2 / 6, 3.3g. 

Estimate £800 - £1,200

NO RESERVE - A VINTAGE DIAMOND RING in 14ct yellow gold, set with a cluster of round and baguette cut diamonds, stamped 14K, size O / 7.25, 5.3g.

Estimate £200 - £300

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct white gold, set with a square step cut aquamarine of 3.45 carats in a cluster of round brilliant cut diamonds, the band set with further diamonds, inscribed S3.45 D0.24ct, stamped Au750, size N1/2 / 7, 4

Estimate £600 - £800

A RUBY AND DIAMOND CLUSTER RING in platinum, set with a cushion cut ruby of 1.05 carats in a double cluster of round brilliant cut diamonds, the band set with further diamonds, inscribed 1.05 0.83, stamped Pt900, size L1/2 / 6, 4.1g. 

Estimate £800 - £1,200

A PAIR OF CHRYSOBERYL, CITRINE AND PEARL DROP EARRINGS in 9ct yellow gold, set with a cluster of round cut chrysoberyl to oval cut citrines, each terminated with a baroque pearl drop, stamped 375, 4.2cm, 5.3g.

Estimate £150 - £250

AN OPAL AND DIAMOND RING in 9ct yellow gold, set with a triangular cabochon opal, the band set with tapered baguette cut diamonds, partial British hallmarks, size N / 6.75, 4.9g. 

Estimate £300 - £500

AN EMERALD FIVE STONE RING in 14ct yellow gold, set with five oval cabochon cut emeralds all totalling 3.65 carats, stamped 14k, size O / 7.25, 1.3g. 

Estimate £150 - £250

A TURQUOISE AND DIAMOND DRESS RING in 18ct yellow gold, the domed body set with a cabochon cut turquoise accented by pave set single and round brilliant cut diamonds, stamped 750, partial British hallmarks, size N1/2 / 7, 8.6g. 

Estimate £800 - £1,200

BOUCHERON, A 'LE QUATRE' DIAMOND RING in 18ct yellow gold, set with a row of round brilliant cut diamonds, inscribed 'Christian 8th June 2008', signed Boucheron and numbered, stamped OR 750, size K / 5.25, 10.0g. Accompanied by a fitted Boucheron box

Estimate £2,000 - £3,000

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cabochon sapphire of approximately 8.50 carats in a border of round brilliant cut diamonds, stamped 750, size R / 8.75, 15.3g. 

Estimate £3,000 - £5,000

A GREEN TOURMALINE AND DIAMOND RING in 18ct white and yellow gold, set with an elongated octagonal step cut green tourmaline of 2.99 carats in two concentric borders of round brilliant cut diamonds, the band set with further diamonds, stamped 750, si

Estimate £600 - £800

AN ANTIQUE AMETHYST AND DIAMOND RING in yellow gold, set with a cushion cut amethyst between two old cut diamonds, no assay marks, size O1/2 / 7.5, 3.7g. 

Estimate £300 - £500

A LABRADORITE ETERNITY RING in 14ct yellow gold, set with a row of eight fancy shaped mixed cut labradorites, stamped 14K, size N / 6.5, 1.9g.

Estimate £100 - £150

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set to the centre with an oval cut sapphire of 1.32 carats in a border of round brilliant cut diamonds, the diamonds all totalling 0.41 carats, stamped PT900, 1.32 D 0.41, size Q / 8.25, 5.6g. 

Estimate £600 - £800

AN ONYX, DIAMOND AND EMERALD BIRD RING in 18ct rose gold, designed as a parrot set with round cut diamonds, emeralds and onyx, stamped 750, size L / 5.75, 17.4g.

Estimate £2,000 - £3,000

AN AQUAMARINE AND DIAMOND HALO RING in 18ct white gold, set with an oval cut aquamarine of 2.60 carats in a border of round brilliant cut diamonds, the band set with further diamonds, stamped 750, size M / 6.25, 4.0g.

Estimate £500 - £700

NO RESERVE - CARTIER, A DIAMOND WEDDING BAND in platinum, the band set with three round brilliant cut diamonds, Cartier maker's mark and numbered, stamped PT950, size K / 5.25, 2.6g. Accompanied by a Cartier box. 

Estimate £400 - £600

A YELLOW DIAMOND CLUSTER RING in 18ct white gold, set to the centre with a radiant cut yellow diamond in a border of round brilliant pink, yellow and white diamonds, the bifurcated band set with further diamonds, stamped 18K, size N1/2 / 7, 3.9g. 

Estimate £1,200 - £1,800

A FINE CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal step cut sapphire of 5.98 carats in a border of round brilliant cut diamonds, the stepped shoulders set with further round brilliant cut diamonds, partial British hall

Estimate £4,500 - £5,500

AN EMERALD ETERNITY BAND RING in 14ct yellow gold, set with fourteen oval cut emeralds, stamped 14k, size N / 6.5, 0.8g. 

Estimate £200 - £300

AN AQUAMARINE, PINK SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with an oval cut aquamarine of 2.59 carats between two oval cut pink sapphires both totalling 1.13 carats, accented by a border of round brilliant cut diamonds, the band set

Estimate £800 - £1,200

A DIAMOND DRESS RING in 18ct white gold, set with a round brilliant cut diamond of 1.85 carats accented by further round brilliant cut diamonds, the diamonds all totalling 2.45 carats, no assay marks, size S / 9.25, 9.5g. Accompanied by a gemmologica

Estimate £5,000 - £7,000

A MOONSTONE ETERNITY RING in 18ct yellow gold, set with a row of round cabochon cut moonstones, stamped 18k, size O / 7.25, 1.6g. 

Estimate £200 - £300

A COLOMBIAN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of approximately 1.43 carats accented on each side by a marquise cut diamond, no assay marks, size L1/2 / 6, 3.7g. Accompanied by a gemmological report stating the emerald is

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND RING in platinum, the tapering band set with an oval cut sapphire of 1.10 carats accented by round brilliant and baguette cut diamonds, inscribed 1.10 0.35, stamped Pt900, size M / 6.25, 8.3g. 

Estimate £600 - £800

NO RESERVE - A RUBY AND DIAMOND RING in 14ct yellow gold, set with an oval cut ruby accented by round cut diamonds, stamped 14K, size R / 8.5, 4.3g.

Estimate £100 - £150

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with three sapphires, accented by two old cut diamonds, full British hallmarks for Birmingham 1905, size L1/2 / 6, 2.9g.

Estimate £200 - £300