CARTIER, A GOLD TRINITY RING the gold band accented by a tricolour trinity motif, signed Cartier 1995 and numbered, stamped 750, size O / 7.25, 11.0g. 

Estimate £500 - £700

A GREEN TOURMALINE RING in 18ct yellow gold, set with an octagonal step cut green tourmaline, full British hallmarks for Sheffield 1999, size N / 6.75, 11.8g. 

Estimate £300 - £500

A DIAMOND STAR RING set with round cut diamonds within star shaped borders, stamped 585, size J1/2 / 5, 3.6g. 

Estimate £300 - £500

NO RESERVE - TWO ANTIQUE GEMSET RINGS comprising a sapphire and diamond ring in 15ct yellow gold, set with round cut sapphires and old cut diamonds, signed g BROs, stamped 15C, size N / 6.75, 4.8g, an antique diamond ring in 18ct yellow gold and silv

Estimate £150 - £250

A DIAMOND HALF ETERNITY RING set with a row of old cut diamonds, no assay marks, size M1/2 / 6.5, 4.3g. 

Estimate £500 - £700

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond, full British hallmarks, size J1/2 / 5, 2.6g. 

Estimate £400 - £600

A PEARL AND DIAMOND RING set with two pearls of 9.6mm and 9.8mm respectively, accented by round brilliant cut diamonds, stamped 585, size Y / 12.25, 9.8g. 

Estimate £500 - £700

AN EMERALD AND DIAMOND CLUSTER RING set with a rectangular step cut emerald of approximately 1.33 carats in a cluster of round cut diamonds, the diamonds all totalling 0.8-0.9 carats, stamped 18K, size K / 5.25, 3.4g. 

Estimate £1,000 - £1,500

A SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of approximately 0.92 carats, partial British hallmarks, stamped PT950, size P / 7.75, 4.0g. 

Estimate £600 - £800

A DIAMOND DRESS RING set with two old European cut diamonds, accented by single cut diamonds, stamped 750, size M1/2 / 6.5, 3.2g. 

Estimate £1,000 - £1,500

AN ANTIQUE AMETHYST AND PEARL CLUSTER RING set with a cushion cut amethyst of approximately 14.11 carats, in a cluster of pearls, no assay marks, size M / 6.25, 15.3g. 

Estimate £1,000 - £1,500

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

AN ANTIQUE GEORGIAN STUART CRYSTAL MOURNING RING, 18TH CENTURY in yellow gold, comprising initials BO beneath a hexagonal Stuart crystal, the ornate band decorated with white enamel and the words 'Mary Denham OB: 12 June 1741 AE: 29', JC maker's mark

Estimate £4,000 - £6,000

A SAPPHIRE AND DIAMOND RING set with three round cut sapphires, the band accented by rose cut diamonds, the sapphires totalling 0.9-1.0 carats, stamped 18, size Q / 8.25, 3.2g. 

Estimate £500 - £700

BUCHERER, A SOLITAIRE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond of 0.20 carats, signed Bucherer, Swiss assay marks, size M / 6.25, 2.4g. Accompanied by a Bucherer jewellery box. Current retail price £1,400. 

Estimate £150 - £250

A DIAMOND BUBBLE RING the trifurcated band set with seven round brilliant cut diamonds, the diamonds totalling 4.0-4.5 carats, no assay marks, size N / 6.75, 12.5g. 

Estimate £3,000 - £5,000

ROBERTO COIN, A DIAMOND AND ENAMEL ZEBRA RING in 18ct white gold, the wide band ring in zebra print design, decorated with black enamel accented by round brilliant cut diamonds, signed Roberto Coin, stamped 750, Italian assay marks, size M / 6.25, 17

Estimate £1,200 - £1,600

A FRENCH GREEN TOURMALINE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut green tourmaline of approximately 2.00 carats in a double cluster of round brilliant cut diamonds, French assay marks, size L1/2 / 6, 7.2g. 

Estimate £500 - £700

A DIAMOND KNOT RING designed as a knot set with a round brilliant cut diamond, no assay marks, size N1/2 / 7, 5.1g. 

Estimate £300 - £500

A DIAMOND AND ENAMEL CLUSTER RING the bombe ring designed with segments of opalescent guilloche enamel, set with a cluster of round brilliant cut diamonds, stamped 750, size M1/2 / 6.5, 11.8g. 

Estimate £600 - £800

AN OPAL DOUBLET RING in 18ct yellow gold, set with an oval cabochon opal doublet accented by textured and polished gold discs, full British hallmarks for Sheffield 1991, size R / 8.75, 10.2g. 

Estimate £400 - £600

A DIAMOND ROSE RING designed as a rose, set throughout with round cut diamonds, no assay marks, size K / 5.25, 9.5g. 

Estimate £300 - £500

CARTIER, A LOVE RING in 18ct white gold, the band with eight screw head motifs, signed Cartier and numbered, Swiss assay marks, stamped Au750, width 3.6mm, size L / 5.75, 3.3g. Accompanied by a Cartier jewellery box. Current retail price: £1,280. 

Estimate £600 - £800

A FIVE STONE DIAMOND RING set with five round brilliant cut diamonds, the diamonds all totalling 1.3-1.5 carats, no assay marks, size N / 6.75 3.5g. 

Estimate £1,200 - £1,600

AN OPAL, DIAMOND AND MULTICOLOUR TOURMALINE DRESS RING set with an oval cabochon opal of 1.45 carats in a double border of round cut diamonds, accented by oval cabochon pink, green, yellow and blue tourmalines, no assay marks, size N / 6.75, 8.2g. 

Estimate £300 - £500

AN EMERALD AND DIAMOND RING in abstract design, set with rectangular step cut emeralds and round brilliant cut diamonds, stamped 18ct, size R1/2 / 9, 5.7g. 

Estimate £400 - £600

AN AMETHYST, PINK SAPPHIRE AND ZULTANITE RING set with an oval cabochon amethyst in a cluster of round cut pink sapphires, within a border of oval and round cut zultanites and further round cut pink sapphires, stamped 14K, size N1/2 / 7, 8.2g. 

Estimate £400 - £600

AN ENAMEL AND DIAMOND RING the turquoise enamel band set with round brilliant cut diamonds, stamped 18K, size N / 6.75, 3.2g. 

Estimate £500 - £700

A VINTAGE DIAMOND RING in yellow gold, the fluted bombe ring accented by a row of round cut diamonds, no assay marks, sizing band, size J1/2 / 5, 11.8g. 

Estimate £200 - £300

A RUBY AND DIAMOND RING in 18ct yellow gold, set with three cushion cut rubies accented by trios of round brilliant cut diamonds, full British hallmarks for Sheffield 1987, size N1/2 / 7, 4.9g. 

Estimate £1,200 - £1,600

NO RESERVE - A DIAMOND BAND RING in 9ct white gold, the pierced ring set throughout with round cut diamonds, partial British hallmarks, size O1/2 / 7.5, 3.3g. 

Estimate £250 - £350

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

AN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of approximately 1.61 carats, accented on each side by a round brilliant cut diamond, stamped 14K, size P1/2 / 8, 4.2g. 

Estimate £400 - £600

A THREE STONE DIAMOND RING set with three old cut diamonds, stamped PLAT, size M1/2 / 6.5, 4.9g. 

Estimate £1,200 - £1,600

ROBERTO COIN, A DIAMOND AND ENAMEL RING in 18ct white gold, the bombe face set with segments of orange and black enamel, accented by a row of round brilliant cut diamonds, RC maker's mark, full British hallmarks, stamped 18KT, size N1/2 / 7, 13.1g. 

Estimate £600 - £800

A RUBY AND DIAMOND FIVE STONE RING in 18ct yellow gold, set with a row of oval cut rubies and old cut diamonds, full British hallmarks for London 1990, size J1/2 / 5, 3.6g. 

Estimate £800 - £1,200

A CARNELIAN INTAGLIO RING set with a carnelian intaglio carved to depict a family crest, no assay marks, size M / 6.25, 9.5g. 

Estimate £800 - £1,200

AN ANTIQUE RUBY RING in yellow gold, set with a cushion cut ruby, the shoulders set with further cushion cut rubies, size S / 9.25, 3.8g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND RING in yellow gold, set with two rows of old cut diamonds accented by round cut diamonds, the diamonds totalling 0.8-1.0 carats, no assay marks, size L1/2 / 6, 3.5g. 

Estimate £800 - £1,200

NO RESERVE - AN ANTIQUE SAPPHIRE AND DIAMOND RING in yellow gold, set with a cushion cut sapphire, accented on each side by trios of old cut diamonds, one diamond deficient, no assay marks, size Q1/2 / 8.5, 3.4g. 

Estimate £300 - £500

AN ANTIQUE RUBY AND PEARL CLUSTER RING in yellow gold, set with a cushion cut ruby in a cluster of pearls and further cushion cut rubies, no assay marks, size L1/2 / 6, 2.3g. 

Estimate £400 - £600

A LARGE ANTIQUE CITRINE INTAGLIO RING in yellow gold, set with an oval mixed cut citrine carved to depict a coat of arms, no assay marks, size R 1/2 / 8.75, 35.3g.

Estimate £2,000 - £3,000

A DIAMOND CLUSTER RING in yellow gold and silver, set with a cluster of rose cut diamonds, no assay marks, size N1/2 / 7, 3.3g. 

Estimate £1,000 - £1,500

AN ANTIQUE RUBY FIVE STONE RING in yellow gold, set with a row of five cushion cut rubies, no assay marks, size M / 6.25, 1.6g. 

Estimate £1,000 - £1,500

A RETRO DIAMOND SNAKE RING in 12ct yellow gold, designed as two snaked intertwined, the heads set with round cut diamonds, the eyes set with rose cut diamonds, full British hallmarks for Birmingham 1945, size T1/2 / 10, 5.1g. 

Estimate £400 - £600

AN EMERALD AND DIAMOND RING set with three oval cut emeralds, accented by rose cut diamonds, stamped 375, size M1/2 / 6.5, 3.3g. 

Estimate £300 - £500

A CARNELIAN CAMEO RING in 9ct yellow gold, set with an oval carnelian cameo carved to depict the bust of a classical woman, full British hallmarks for London 1980, size P / 7.75, 12.3g. 

Estimate £300 - £500

A ROSE QUARTZ, APATITE AND DIAMOND DRESS RING set with an oval cabochon rose quartz of 19.18 carats carved to depict a flower, in a border of oval cut apatites and round cut diamonds, the apatites totalling 10.26 carats, no assay marks, size M1/2 / 6

Estimate £500 - £700

AN EMERALD AND DIAMOND TIARA RING set with an oval cut emerald of approximately 4.01 carats, accented by rows of round brilliant cut diamonds, stamped 14K, size N1/2 / 7, 6.1g. 

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND RING set with an oval and pear cut sapphire in borders of round cut diamonds, the band set with further round cut diamonds, inscribed S2.06 D0.32, stamped 750, size N / 6.75, 3.7g. 

Estimate £2,000 - £3,000

A RUBY AND DIAMOND DRESS RING set with an oval cut ruby of approximately 1.25 carats, accented by baguette and single cut diamonds, the diamonds totalling 0.7-0.8 carats, no assay marks, size O1/2 / 7.5, 4.2g. 

Estimate £1,200 - £1,600

ROBERTO COIN, A DIAMOND AND ENAMEL RING in 18ct white gold, the bombe face set with segments of black and cream enamel, accented by a row of round brilliant cut diamonds, RC maker's mark, full British hallmarks, stamped 18KT, size M / 6.25, 12.4g. 

Estimate £600 - £800

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 £200 - £300

A DIAMOND TRINITY RING comprising three interlocking bands pave set with round brilliant cut diamonds, no assay marks, size O1/2 / 7.5, 4.5g. 

Estimate £1,200 - £1,600

A PINK TOURMALINE AND DIAMOND RING set with an oval cut pink tourmaline of approximately 15.10 carats, in a border of round brilliant cut diamonds, the bifurcated band set with further round brilliant cut diamonds, stamped 14K, size P / 7.75, 10.2g. 

Estimate £500 - £700

AN ANTIQUE EMERALD AND RUBY RING in yellow gold and silver, set with an octagonal step cut emerald between two oval cut rubies, no assay marks, size M1/2 / 6.5, 5.1g. 

Estimate £500 - £700

AN ANTIQUE GARNET AND PEARL RING in yellow gold, set with a cushion cut garnet accented on each side by a pearl, no assay marks, size O1/2 / 7.5, 2.3g.

Estimate £300 - £500

AN ANTIQUE SAPPHIRE AND DIAMOND SWEETHEART RING in 15ct yellow gold, designed as two hearts each set with a round cut sapphire and old cut diamond respectively, surmounted by a bow set with rose cut diamonds, stamped 15CT, size K1/2 / 5.5, 3.4g. 

Estimate £500 - £700

AN ANTIQUE RUBY AND DIAMOND RING in 18ct yellow gold, set with three cushion cut rubies accented by pairs of old cut diamonds, the rubies totalling 1.3-1.5 carats, stamped 18, size N1/2 / 7, 3.4g. 

Estimate £1,500 - £2,500

A SYNTHETIC BLUE SPINEL INTAGLIO RING set with a blue spinel intaglio carved to depict a coat of arms, no assay marks, size L / 5.75, 10.0g.

Estimate £800 - £1,200

AN AGATE CAMEO RING in yellow gold, the ancient agate cameo carved to depict the bust of a man, no assay marks, size O1/2 / 7.5, 13.2g. 

Estimate £2,000 - £3,000

AN ANTIQUE EMERALD AND DIAMOND RING in yellow gold and silver, set with a cushion cut emerald accented by old cut diamonds, no assay marks, size O / 7.25, 2.2g. 

Estimate £1,500 - £2,500

A DIAMOND RING in yellow gold and silver, set with a rose cut diamond, no assay marks, size N / 6.75, 2.3g. 

Estimate £600 - £800

AN UNHEATED RUBY FIVE STONE RING set with five oval cut rubies, the rubies all totalling 2.1-2.4 carats, no assay marks, size N / 6.75, 2.7g. Accompanied by a gemmological report stating that the rubies are of Thai (Siam) origin with no indication of

Estimate £1,500 - £2,500

A TURQUOISE AND DIAMOND SWEETHEART RING in 18ct yellow gold and silver, designed as two interlocking hearts set with pear shaped cabochon turquoise in borders of rose cut diamonds, surmounted by a bow set with further rose cut diamonds, stamped 18C,

Estimate £1,200 - £1,600

AN ANTIQUE CARNELIAN SWIVEL MOURNING RING in yellow gold, the central panel with the words 'ANN CARTER OB:19 DEC 1822 AE:93' on a black enamel background, rotating to a carnelian intaglio engraved 'Amitie', no assay marks, size Q / 8.25, 3.1g.

Estimate £500 - £700

NO RESERVE - A CAMEO RING in 22ct yellow gold, set with an oval cameo carved to depict the bust of a classical woman, full British hallmarks for Chester 1929, size M1/2 / 6.5, 6.8g. 

Estimate £300 - £500

A SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of approximately 3.30 carats, the shoulders set with trios of rose cut diamonds, the diamonds totalling 1.1-1.3 carats, no assay marks, size R / 8.75, 4.7g. 

Estimate £4,000 - £6,000

AN ANTIQUE GARNET CLUSTER RING, 18TH CENTURY in rose gold, set with a cluster of flat cut garnets, no assay marks, size P / 7.75, 5.2g. 

Estimate £800 - £1,200

AN ANTIQUE GEORGIAN ENAMEL AND HAIRWORK MOURNING RING the circular face set with hairwork and initials FA beneath a glass panel, in a border of white and black enamel, the band spelling 'Fream Arundell OB 1 Aug 1805 AE 19Ys', no assay marks, size S /

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND CLUSTER RING set with a cluster of old cut diamonds, no assay marks, size N1/2 / 7, 7.1g. 

Estimate £2,000 - £3,000

AN EMERALD AND DIAMOND THREE STONE RING set with an octagonal step cut emerald of approximately 8.84 carats, accented on each side by a round brilliant cut diamond, stamped 18K, size N1/2 / 7, 5.3g. 

Estimate £600 - £800

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of approximately 0.61 carats in a double cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, no assay marks, size N / 6.75, 5.4g. 

Estimate £800 - £1,200

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

AN EMERALD AND COLOURED DIAMOND CLUSTER RING set with an oval cut emerald of 1.83 carats in a cluster of pear, cushion and trillion cut yellow and pink diamonds, the diamonds all totalling 2.95 carats, stamped 585, size N1/2 / 7, 7.5g. 

Estimate £1,000 - £1,500

A RUBY AND DIAMOND DRESS RING set throughout with round brilliant cut diamonds and calibre cut rubies, no assay marks, size P1/2 / 8, 7.4g. 

Estimate £500 - £700

A DIAMOND DRESS RING the openwork oval face set with three old European cut diamonds, in a border of rose cut diamonds, the diamonds all totalling 0.5-0.6 carats, no assay marks, size M / 6.25, 2.6g. 

Estimate £800 - £1,200

A RUBY AND DIAMOND CLUSTER RING set with an elongated oval cut ruby of approximately 5.32 carats, in a cluster of round brilliant cut diamonds, stamped 14K, size M1/2 / 6.5, 6.2g. 

Estimate £1,000 - £1,500

AN AQUAMARINE, DIAMOND AND ONYX DRESS RING set with a pear shaped polished onyx accented by pear cut aquamarines and round cut diamonds, the bifurcated band set with further round cut diamonds, the aquamarines totalling 4.93 carats, the diamonds tota

Estimate £300 - £500

A DIAMOND RING pave set with round brilliant cut diamonds, no assay marks, size K1/2 / 5.5, 2.5g. 

Estimate £400 - £600

A COLLECTION OF TANZANITE AND DIAMOND RINGS comprising a tanzanite and diamond dress ring set with a pear cut tanzanite in a border of round cut diamonds, the bifurcated band set with further round cut diamonds, stamped 18ct, size O1/2 / 7.5, 4.6g, a

Estimate £400 - £600

A SAPPHIRE AND DIAMOND RING set with a row of princess cut diamonds, accented by two rows of French cut sapphires, inscribed D0.40 S0.80, stamped 18K 750, size N1/2 / 7, 4.5g. 

Estimate £600 - £800

A REVERSIBLE DIAMOND AND SAPPHIRE AND DIAMOND RING set to one side with a cluster of round cut diamonds and to the other side with a trillion cut sapphire in a cluster of further round cut diamonds, stamped 14K, size O / 7.25, 6.0g. 

Estimate £300 - £500

AN ANTIQUE PEARL AND DIAMOND CLUSTER RING set with a flat cut diamond in a cluster of pearls, no assay marks, size J1/2 / 5, 2.0g. 

Estimate £200 - £300

A DIAMOND, RUBY AND SYNTHETIC SAPPHIRE RING set with a round brilliant cut diamond of 0.50 carats, accented by round cut rubies and synthetic sapphires, stamped 14K, size M / 6.25, 3.6g. 

Estimate £500 - £700

AN AMETHYST AND DIAMOND RING set with an oval cut amethyst in a border of round brilliant cut diamonds, stamped 585, size M1/2 / 6.5, 5.2g. 

Estimate £400 - £600

A COLLECTION OF RINGS comprising a synthetic sapphire and diamond target ring, set with an old cut diamond in a border of calibre cut synthetic sapphires, no assay marks, size K1/2 / 5.5, 3.0g, a band ring, stamped Pt900 K18, size N / 6.75, 4.0g. 

Estimate £300 - £500

A RUBY AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an oval cut ruby of approximately 1.15 carats, accented on each side by a round brilliant cut diamond, full British hallmarks for London 1976, size M / 6.25, 3.4g. 

Estimate £1,000 - £1,500

NO RESERVE - A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.25 carats, full British hallmarks, size N1/2 / 7, 2.7g. 

Estimate £250 - £350

A BURMESE RUBY AND DIAMOND THREE STONE RING in 18ct yellow gold, set with a cushion cut ruby of approximately 1.20 carats, set between two old European cut diamonds, accented by rose cut diamonds, partial British hallmarks, size O / 7.25, 5.2g. 

Estimate £4,000 - £6,000

A SAPPHIRE AND DIAMOND NAVETTE RING the navette face set with an oval cut sapphire accented by round brilliant cut diamonds, stamped 585, size S / 9.25, 5.9g. 

Estimate £300 - £500

A RUBY AND DIAMOND THREE STONE RING in 9ct yellow and white gold, set with an oval cut ruby of approximately 1.15 carats, accented on each side by a round brilliant cut diamond, full British hallmarks for London 1995, size M / 6.25, 3.1g. 

Estimate £600 - £800

A SAPPHIRE AND DIAMOND FIVE STONE RING in 18ct yellow gold, set with a row of round and oval cut sapphires and old European cut diamonds, accented by single cut diamonds, partially obscured British hallmarks, size P / 7.75, 4.5g. 

Estimate £600 - £800

A RUBELLITE TOURMALINE AND DIAMOND CLUSTER RING set with an octagonal step cut rubellite tourmaline of approximately 1.14 carats, in a cluster of round brilliant cut diamonds, the diamonds totalling 0.6-0.7 carats, stamped 18, size N / 6.75, 4.5g. 

Estimate £600 - £800

AN ANTIQUE DIAMOND SWEETHEART RING in yellow gold and silver, set with a pear shaped rose cut diamond, surmounted by a crown motif set with a further rose cut diamond, stamped 585, size P1/2 / 8, 4.4g. 

Estimate £1,000 - £1,500

AN ANTIQUE TURQUOISE AND DIAMOND CLUSTER RING in 12ct yellow gold, set with a round cut diamond in a cluster of round cabochon turquoise, full British hallmarks for Birmingham 1913, size K1/2 / 5.5, 1.3g. 

Estimate £200 - £300

AN ANTIQUE VICTORIAN RUBY AND DIAMOND CLUSTER CLADDAGH RING in 12ct yellow gold, set with an oval cut ruby of approximately 0.67 carats in a cluster of rose cut diamonds, accented on each side by a hand motif, full British hallmarks for Birmingham 18

Estimate £1,200 - £1,600

AN ANTIQUE GEORGIAN ENAMEL MOURNING RING the oval face painted to depict an urn, relieved in white enamel, in a border of black enamel spelling 'Ann Pearson OB 26 APR 1779 A 10', no assay marks, size I1/2 / 4.5, 3.0g. 

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND RING in yellow gold and silver, set with an old cut diamond accented by further old cut diamonds, no assay marks, size M1/2 / 6.5, 1.7g. 

Estimate £1,200 - £1,600

A RUBY AND DIAMOND THREE STONE RING set with an oval cut ruby of approximately 0.76 carats, accented on each side by an old cut diamond, no assay marks, size M1/2 / 6.5, 2.5g. 

Estimate £1,000 - £1,500

A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 0.55 carats, the shoulders set with single cut diamonds, no assay marks, size. N / 6.75, 1.6g. 

Estimate £300 - £500

AN ANTIQUE TURQUOISE AND DIAMOND CLUSTER RING set with a rose cut diamond in a cluster of oval cabochon turquoise, glass covered locket panel to the reverse, no assay marks, size G / 3.25, 1.2g. 

Estimate £200 - £300

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

A RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of approximately 2.36 carats, in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, stamped 14K, size N1/2 / 7, 2.0g. 

Estimate £400 - £600

A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 1.12 carats, the shoulders set with round cut diamonds, no assay marks, size N / 6.75, 2.6g. 

Estimate £1,500 - £2,500

A COLOMBIAN EMERALD AND DIAMOND DRESS RING set with a Colombian emerald of approximately 4.04 carats, accented by calibre cut emeralds and round brilliant cut diamonds, no assay marks, size P / 7.75, 5.0g. 

Estimate £12,000 - £16,000

NO RESERVE - A SAPPHIRE AND DIAMOND FULL ETERNITY RING set all around with groups of square step cut sapphires and round cut diamonds, no assay marks, size J / 4.75, 3.0g. 

Estimate £150 - £250

NO RESERVE - A SYNTHETIC RUBY AND DIAMOND RING set with a round cut synthetic ruby, accented on each side by trios of round cut diamonds, stamped 18C, size K / 5.25, 3.8g. 

Estimate £300 - £500

A SAPPHIRE AND DIAMOND RING  set with a graduating row of round cut sapphires, accented by two rows of old cut diamonds, the sapphires totalling 2.3-2.5 carats, no assay marks, size Q / 8.25, 6.3g. 

Estimate £2,000 - £3,000

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

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire in a cluster of round brilliant cut diamonds, stamped 18K, size N / 6.75, 3.2g. 

Estimate £300 - £500

A DIAMOND AND RUBY CLUSTER RING set with a cluster of old European cut diamonds in a border of calibre cut rubies, the shoulders accented by a rose cut diamond, stamped 18CT, size M1/2 / 6.5, 2.0g. 

Estimate £600 - £800

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

A YELLOW TOPAZ AND DIAMOND RING in 14ct rose gold, set with a cushion cut yellow topaz of approximately 3.00 carats in a border of round brilliant cut diamonds, the bifurcated band set with further round brilliant cut diamonds, the diamonds totalling

Estimate £400 - £600

A SAPPHIRE AND DIAMOND RING set with an octagonal step cut sapphire of approximately 2.39 carats, accented on each side by trios of round brilliant cut diamonds, no assay marks, size R1/2 / 9, 4.3g.

Estimate £300 - £500

A SOLITAIRE DIAMOND RING set with a round brilliant cut diamond of approximately 0.90 carats, stamped 18CT PLAT, size Q1/2 / 8.5, 2.6g. 

Estimate £500 - £700