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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Estimate £500 - £700

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

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

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

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

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. 

Estimate £400 - £600

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Estimate £400 - £600

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

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

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

AN EMERALD AND DIAMOND RING set with a round cabochon emerald of approximately 

Estimate £1,000 - £1,500

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 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

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

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

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

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

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

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

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

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 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

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

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

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

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

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

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

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

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

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

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