A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold,  full British hallmarks for London 1990

Estimate £600 - £800

A CORAL AND ENAMEL BUMBLE BEE RING designed as two bumble bees set with carved cabochon coral and decorated with red and white enamel, the eyes decorated with black enamel, no assay marks, size Q1/2 / 8.5, 6.6g. 

Estimate £800 - £1,200

AN ANTIQUE BANDED AGATE RING in yellow gold, set with a polished banded agate, no assay marks, size O / 7.25, 5.0g. 

Estimate £250 - £350

A GREEN TOURMALINE, CHALCEDONY AND EBONY DRESS RING in abstract design, set with a rough green tourmaline crystal, polished chalcedony bead and ebony, stamped 750, size M1/2 / 6.5, 16.7g. 

Estimate £2,000 - £3,000

PICCHIOTTI, A DIAMOND AND ONYX DRESS RING set with two rows of round brilliant cut diamonds accented by further diamonds, the diamonds totalling 1.8-2.0 carats, accented on each side by polished onyx, signed Picchiotti, Italian assay marks, stamped 7

Estimate £2,000 - £3,000

A TANZANITE AND DIAMOND DRESS RING set with an oval cut tanzanite of approximately 9.17 carats in a border of round brilliant cut diamonds, the scrolling shoulders set with further diamonds, no assay marks, size M / 6.25, 8.3g. 

Estimate £2,500 - £3,500

AN ANTIQUE TURQUOISE RING in yellow gold, the tapering band set with round cabochon turquoise, accented by engraved triangles, no assay marks, size O / 7.25, 2.1g. 

Estimate £250 - £350

A RETRO DIAMOND RING in 14ct yellow gold, set with a row of four old cut diamonds totalling 0.8-1.0 carats, stamped 585, size O1/2 / 7.5, 10.3g. 

Estimate £700 - £900

A DIAMOND AND EMERALD RING in 18ct yellow gold, set with a round brilliant cut diamond between two round cut emeralds, full British hallmarks, size K1/2 / 5.5, 6.0g. 

Estimate £500 - £700

NO RESERVE - A RUBY AND DIAMOND HALF ETERNITY RING in 18ct yellow gold, set with a row of alternating round cut rubies and round brilliant cut diamonds, full British hallmarks, size K / 5.25, 2.5g. 

Estimate £200 - £300

NO RESERVE - A JADEITE JADE AND DIAMOND RING set with a cabochon jadeite jade in a halo of round cut diamonds, the band in openwork design, stamped 18K, size L1/2 / 6, 2.5g. 

Estimate £200 - £300

A BLUE TOPAZ AND DIAMOND RING set with an octagonal step cut blue topaz of approximately 12.16 carats, between two tapered baguette cut diamonds, stamped 750, size O / 7.25, 9.5g. 

Estimate £700 - £900

A STAR RUBY AND DIAMOND RING set with an oval cabochon star ruby within a border of round brilliant and baguette cut diamonds, stamped Pt900, size J1/2 / 5, 4.6g.

Estimate £250 - £350

AN ART DECO FIRE OPAL AND DIAMOND RING in 14ct yellow gold, set with an oval cabochon fire opal, accented on each side by a rose cut diamond, stamped 585, size K1/2 / 5.5, 2.4g. 

Estimate £300 - £500

A DIAMOND CROWN RING in 18ct white gold, designed as a crown accented throughout with round brilliant cut diamonds, full British hallmarks, size N1/2 / 7, 8.3g. 

Estimate £300 - £500

AN ANTIQUE GARNET AND DIAMOND THREE STONE in yellow gold, set with a cushion cut garnet accented on each side by an old cut diamond, no assay marks, size N / 6.75, 5.0g. 

Estimate £700 - £900

NO RESERVE - A JADEITE JADE AND DIAMOND RING set with a cabochon jadeite jade in a halo of round cut diamonds, the band in openwork design, stamped 18K, size L / 5.75, 3.9g. 

Estimate £200 - £300

NO RESERVE - A SAPPHIRE RING set with an oval cut sapphire of 2.93 carats, accented by round brilliant cut cubic zirconias, no assay marks, size P1/2 / 8, 8.9g. 

Estimate £300 - £500

A DIAMOND DRESS RING in abstract design, set with baguette cut diamonds, stamped 750, size O1/2 / 7.5, 11.3g. 

Estimate £1,500 - £2,500

NO RESERVE - AN UNHEATED PADPARADSCHA AND PEACH SAPPHIRE CROSSOVER RING set at each end with an oval cut padparadscha sapphire of 0.84 carats and pear cut peach sapphire of 0.46 carats, no assay marks, size N / 6.75, 5.3g. Accompanied by gemmological

Estimate £400 - £600

NO RESERVE - A COLLECTION OF THREE SAPPHIRE RINGS comprising a 0.96 carat pink sapphire and cubic zirconia cluster ring, no assay marks, size P / 7.5, 4.0g, a 1.70 carat bicolour sapphire and cubic zirconia cluster ring, no assay marks, size P1/2 / 7

Estimate £500 - £700

A CITRINE AND DIAMOND DRESS RING set with a faceted citrine in a border of round brilliant cut diamonds, further diamonds set to the shoulders, stamped 18K, size K / 5.25, 8.6g. 

Estimate £500 - £700

A DIAMOND HALO ENGAGEMENT RING set with an oval cut diamond of approximately 1.10 carats, in a pierced border set with round brilliant cut diamonds, the shoulders set with further diamonds, stamped PLAT, size M / 6.25, 3.8g. 

Estimate £2,500 - £3,500

A RUBY AND DIAMOND DRESS RING in yellow gold, set with small round cut rubies and round brilliant cut diamonds set in a foliate design, ACG maker's mark, stamped 750, size H / 4, 15.3g. 

Estimate £1,200 - £1,600

NO RESERVE - A SAPPHIRE RING comprising a wide gold band with a satin finish set with a round cut sapphire, no assay marks, size N / 6.75, 3.6g. 

Estimate £200 - £300

AN AQUAMARINE AND DIAMOND THREE STONE RING set with an oval cut aquamarine of approximately 3.20 carats between two transitional cut diamonds, size O / 7.25, 4.5g. 

Estimate £600 - £800

AN ANTIQUE GARNET AND DIAMOND SNAKE RING in 18ct yellow gold, designed as two snakes intertwined, the heads set with cushion cut garnets, the eyes set with rose cut diamonds, partially obscured full British hallmarks for Chester, size N / 6.75, 7.3g.

Estimate £500 - £700

A RUBY AND DIAMOND SWEETHEART RING in 18ct yellow gold, set with a pear cut ruby in a cluster of round brilliant cut diamonds, surmounted by a bow set with further diamonds, British control marks, size M1/2 / 6.5, 4.3g. 

Estimate £1,000 - £1,500

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING set with a rectangular step cut sapphire of approximately 0.64 carats and old European cut diamonds, accented by round brilliant and single cut diamonds, the diamonds totalling 0.4-0.5 carats, no assay mark

Estimate £800 - £1,200

AN ANTIQUE DIAMOND AND SAPPHIRE DRESS RING in 18ct yellow gold and platinum, set with a cluster of old cut diamonds totalling 0.7-0.9 carats, within a border of calibre cut sapphires, stamped 18CT PLAT, size O / 7.25, 3.5g. 

Estimate £1,000 - £1,500

TWO DIAMOND RINGS comprising a diamond cluster ring in 18ct yellow gold, full British hallmarks for London 1981, size J / 4.75, 3.4g, a full diamond eternity ring in 18ct rose gold, full British hallmarks for London 2013, size K / 5.25, 2.0g. 

Estimate £300 - £500

A DIAMOND CLUSTER RING set with a cluster of rose cut diamonds, no assay marks, size T / 9.75, 7.7g. 

Estimate £1,200 - £1,600

AN ANTIQUE GEORGIAN DIAMOND AND ENAMEL MOURNING RING set with an old cut diamond relieved in blue guilloche enamel, inscribed to the reverse 'Mary Swale ob: 18th Sept 1794 A 31', no assay marks, size K / 5.25, 5.7g. 

Estimate £800 - £1,200

AN ANTIQUE DIAMOND AND PEARL RING, 19TH CENTURY AND LATER in yellow gold, the oval face set with an old cut diamond in a border of pearls, to a later shank, no assay marks, size J / 4.75, 5.0g. 

Estimate £400 - £600

AN ANTIQUE TURQUOISE AND DIAMOND FORGET ME NOT RING in yellow gold, set with an old cut diamond in a cluster of cabochon turquoise, no assay marks, size M / 6.25, 2.0g. 

Estimate £300 - £500

A JADEITE JADE RING set with a cabochon jadeite jade, stamped 18K 750, size Q / 8.25, 5.1g. 

Estimate £400 - £600

A POLKI CUT DIAMOND AND ENAMEL RING set with a polki cut diamond within a border of black enamel, no assay marks, size M1/2 / 6.5, 4.6g. 

Estimate £250 - £350

A DIAMOND, EMERALD AND ONYX PANTHER RING designed as a panther pave set with round brilliant cut diamonds, the eyes set with marquise cut emeralds, the nose set with polished onyx, stamped 750, size K1/2 / 5.5, 15.0g. 

Estimate £3,000 - £5,000

AN ANTIQUE SYNTHETIC SAPPHIRE AND PEARL CLUSTER RING in yellow gold, set with an oval cut sapphire in a cluster of pearls, no assay marks, size M1/2 / 6.5, 3.9g. 

Estimate £300 - £500

AN ANTIQUE GEORGIAN DIAMOND, PEARL AND ENAMEL MOURNING RING set with hairwork beneath a glass panel, within a border of rose cut diamonds, blue enamel and pearls, no assay marks, size M1/2 / 6.5, 9.7g. 

Estimate £1,500 - £2,500

A DIAMOND DRESS RING in 18ct white gold, the square face pave set with round brilliant cut diamonds, within a border of further diamonds, partial British hallmarks, size L1/2 / 6, 4.5g. 

Estimate £400 - £600

A RUBY AND DIAMOND RING set with an oval cabochon ruby accented by rose cut diamonds, no assay marks, size K1/2 / 5.5, 5.1g. 

Estimate £800 - £1,200

AN EMERALD AND DIAMOND RING in white gold, set with an octagonal step cut emerald of 0.64 carats, the shoulders set with round brilliant cut diamonds, marked indistinctly, size K / 5.25, 4.2g. 

Estimate £400 - £600

AN ANTIQUE STUART CRYSTAL RING in yellow gold, depicting a skull beneath a faceted Stuart crystal, no assay marks, size L 1/2 / 6.25, 2.4g. 

Estimate £1,200 - £1,600

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut sapphire of approximately 3.19 carats accented by old cut diamonds, no assay marks, size M / 6.25, 4.7g. 

Estimate £2,000 - £3,000

A COLLECTION OF RINGS comprising a sapphire and diamond three stone ring in 18ct yellow gold, full British hallmarks, size M1/2 / 6.5, 2.9g, a ruby and opal cluster ring in 9ct yellow gold, full British hallmarks for London 1981, size P1/2 / 8, 4.7g.

Estimate £250 - £350

A TANZANITE AND DIAMOND RING in 18ct white gold, set with a round cut tanzanite of approximately 4.27 carats within a border of round cut diamonds, partial British hallmarks, stamped 750, size M1/2 / 6.5, 5.2g. 

Estimate £800 - £1,200

A PINK SAPPHIRE AND DIAMOND RING set with a cushion cut pink sapphire of approximately 2.06 carats accented by a row of round brilliant cut diamonds, the diamonds totalling 0.6-0.8 carats, stamped PLAT, size L1/2 / 6, 11.5g. 

Estimate £1,200 - £1,600

A YELLOW SAPPHIRE AND DIAMOND RING set with an oval cut yellow sapphire of approximately 2.20 carats in a border of round brilliant cut diamonds, the diamonds totalling 0.9-1.0 carat, stamped PLAT, size O1/2 / 7.5, 5.5g. 

Estimate £1,000 - £1,500

AN OPAL AND DIAMOND RING set with a cabochon opal of 9.17 carats in a cluster of round brilliant cut diamonds, inscribed 9.17ct d0.447ct, stamped Au750, size N / 6.75, 6.1g. 

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND RING / PENDANT set with a cluster of variously cut emeralds in a halo of round cut diamonds, the shoulders accented by further round cut diamonds, the ring face articulated for the ring to be used as a pendant, stamped 18K750,

Estimate £800 - £1,200

A VINTAGE DIAMOND DRESS RING, 1970's in yellow gold, the sculptural ring comprising triangular motifs accented by old cut diamonds, no assay marks, size N1/2 / 7, 13.3g. 

Estimate £1,200 - £1,600

AN ANTIQUE PORTUGUESE PEARL AND DIAMOND LYRE RING in high carat yellow gold, designed as a lyre set with seed pearls, accented by rose cut diamonds, Portuguese assay marks for .800 fineness, size O1/2 / 7.5, 4.0g. 

Estimate £400 - £600

TWO DIAMOND STACKING RINGS each in identical design, set all around with a row of round cut diamonds, stamped SIL, sizes P1/2 / 8 and P / 7.75, 3.8g total weight. 

Estimate £80 - £120

AN ANTIQUE DIAMOND RING in 15ct yellow gold, set with three old cut diamonds in engraved star borders, full British hallmarks for Birmingham 1886, size K1/2 / 5.5, 2.2g. 

Estimate £300 - £500

A SOLITAIRE DIAMOND RING set with a princess cut diamond of 0.55 carats, the shoulders set with two rows of round brilliant cut diamonds, the diamonds all totalling 0.8-0.9 carats, stamped 18K 750, size J1/2 / 5, 4.6g. 

Estimate £1,000 - £1,500

ATTR. ROBERTO COIN, AN ENAMEL, RUBY AND DIAMOND FISH RING designed as a coiled fish, relieved in black enamel and accented by round brilliant cut diamonds, the eyes set with round cabochon rubies, set to the inside with a round cut ruby, Italian assa

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND DRESS RING set with three old cut diamonds within a border of rose cut diamonds, the diamonds totalling 0.8-1.0 carats, on a later band, stamped 585, size L / 5.75, 3.5g. 

Estimate £1,000 - £1,500

A DIAMOND DRESS RING in 18ct yellow gold, set with a cluster of round brilliant cut diamonds, Italian assay marks, stamped 750, size H1/2 / 4, 4.6g. 

Estimate £300 - £500

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 £400 - £600

A RUBY AND DIAMOND DRESS RING set to the centre with an oval cut ruby, the pierced bombe face in foliate design set with marquise cut rubies and round cut diamonds, no assay marks, size M1/2 / 6.5, 5.3g. 

Estimate £1,000 - £1,500

A FIVE STONE RUBY RING set with a row of five cushion cut rubies totalling 1.5-1.7 carats, no assay marks, size M / 6.25, 4.6g.

Estimate £1,000 - £1,500

A DIAMOND FULL ETERNITY RING in 18ct white gold, set all around with a row of round brilliant cut diamonds, partial British hallmarks, size J / 4.75, 2.8g. 

Estimate £250 - £350

A THREE STONE DIAMOND RING in 18ct yellow gold, set with three round brilliant cut diamonds, full British hallmarks, size O1/2 / 7.5, 4.9g. 

Estimate £300 - £500

A PERIDOT AND DIAMOND RING in 9ct yellow gold, set with square step cut and trillion cut peridots, accented by round cut diamonds, full British hallmarks, size O / 7.25, 6.7g. 

Estimate £500 - £700

NO RESERVE - A YELLOW AND WHITE DIAMOND RING comprising undulating rows of round brilliant cut yellow and white diamonds, stamped 14K, size N / 6.75, 3.6g. 

Estimate £200 - £300

A DIAMOND BUBBLE RING set with round brilliant cut diamonds, stamped PT950, size N / 6.75, 8.0g. 

Estimate £800 - £1,200

A BAROQUE PEARL AND DIAMOND DRESS RING the stylised ring set with a baroque pearl accented by round brilliant and single cut diamonds, no assay marks, size U1/2 / 10.5, 10.2g. 

Estimate £1,500 - £2,500

A CHINESE GOLD SIGNET RING in high carat gold, in foliate design, Chinese assay marks, size Q1/2 / 8.5, 11.6g. 

Estimate £800 - £1,200

A PINK TOURMALINE RING set with an octagonal step cut pink tourmaline, no assay marks, size L1/2 / 6, 4.8g. 

Estimate £300 - £500

A DIAMOND DRESS RING in platinum, set with a round brilliant cut diamond of approximately 0.50 carats, accented by round brilliant and single cut diamonds, the diamonds totalling 0.8-1.0 carat, stamped 900 PLAT, size L1/2 / 6, 4.7g.

Estimate £1,200 - £1,600

AN UNHEATED RUBY AND DIAMOND RING set with a round cut ruby of approximately 1.75 carats in a halo of round brilliant and single cut diamonds, no assay marks, size O / 7.25, 4.6g. Accompanied by a gemmological report stating that the ruby is of Thai

Estimate £1,500 - £2,500

AN AMETHYST AND WHITE GEMSTONE RING in 9ct yellow gold, set with three oval cut amethysts, accented by trios of round cut white gemstones, full British hallmarks, size P / 7.75, 4.7g. 

Estimate £100 - £150

A GREEN TOURMALINE AND DIAMOND RING set with a rose cut green tourmaline of approximately 9.17 carats in a border of round cut cut diamonds, band stamped 18K, size M1/2 / 6.5, 8.8g. 

Estimate £300 - £500

A SHELL CAMEO, DIAMOND AND RUBY SNAKE RING set with a shell cameo carved to depict a snake, in a coiled snake border set with round cut diamonds and marquise cut rubies, band stamped 18K, size P / 7.75, 12.4g. 

Estimate £300 - £500

AN AQUAMARINE, SAPPHIRE AND DIAMOND DRESS RING set with an oval cut aquamarine of 5.26 carats accented on each side by an oval cut sapphire, within a border of round brilliant cut diamonds, inscribed 5.26ct 1.72ct d0.236ct, stamped Pt950, size N / 6.

Estimate £1,000 - £1,500

NO RESERVE - AN UNHEATED PINK SAPPHIRE CROSSOVER RING set at each end with a rectangular step cut sapphire of 0.91 carats and oval cut sapphire of 1.00 carat, no assay marks, size N / 6.75, 5.4g. Accompanied by gemmological reports stating the sapphi

Estimate £400 - £600

AN EMERALD ETERNITY RING in 18ct yellow gold, set all around with a row of oval cut emeralds, no assay marks, size M1/2 / 6.5, 2.7g. 

Estimate £600 - £800

A RUBELLITE TOURMALINE AND DIAMOND CLUSTER RING set with an octagonal step cut rubellite tourmaline of approximately 1.41 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

A SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut sapphire of approximately 1.29 carats, accented by old cut diamonds and calibre cut sapphires, no assay marks, size L1/2 / 6, 3.4g. 

Estimate £3,000 - £5,000

A DIAMOND DRESS RING comprising three rows of alternating round brilliant and baguette cut diamonds, the diamonds totalling 1.5-1.7 carats, stamped 18, size P / 7.75, 9.2g. 

Estimate £1,500 - £2,500

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

Estimate £500 - £700

A SOLITAIRE DIAMOND RING in platinum, set with a round brilliant cut diamond of 0.55 carats, full British hallmarks, size L1/2 / 6, 4.3g. Accompanied by a facsimile GIA report stating that the diamond is H colour and SI1 clarity. 

Estimate £300 - £500

A DIAMOND DRESS RING the openwork ring set to the centre with a round brilliant cut diamond of approximately 0.50 carats, accented by further diamonds, stamped PLAT, size M / 6.25, 4.7g.  

Estimate £800 - £1,200

A RUBY AND DIAMOND TARGET RING in yellow gold, set with an oval cut ruby of approximately 1.02 carats in a border of single cut diamonds and calibre cut rubies, stamped 750, size P / 7.75, 6.7g. 

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND RING set with an oval cut sapphire in a border of round cut diamonds, the bifurcated shoulders set with further diamonds, no assay marks, size N1/2 / 7, 6.0g. 

Estimate £400 - £600

AN ART DECO DIAMOND RING in 18ct yellow gold and platinum, the square face set with single cut diamonds, the shoulders set with rose cut diamonds, stamped 18CT PLAT, size M1/2 / 6.5, 2.3g. 

Estimate £150 - £250

A COLLECTION OF RINGS comprising a three stone diamond ring, stamped 18CT PLAT, size L1/2 / 6, 1.5g, a ruby and diamond three stone ring in 18ct yellow gold, full British hallmarks for London 1976, size N1/2 / 7, 3.1g, a gold band ring in yellow and

Estimate £500 - £700

A RUBY AND DIAMOND RING comprising a row of round cut rubies accented by rows of round cut diamonds, stamped 585, size M1/2 / 6.5, 5.6g. 

Estimate £500 - £700

TWO DIAMOND STACKING RINGS each in identical design, set with a row of round cut diamonds and accented by a beaded border, no assay marks, sizes M / 6.25 and J1/2 / 5, total weight 4.4g. 

Estimate £150 - £250

A SAPPHIRE GYPSY RING in silver, set with an oval cut sapphire, no assay marks, size N / 6.75, 5.8g. 

Estimate £500 - £700

AN ANTIQUE PINK SAPPHIRE RING in yellow gold, set with a cushion cut pink sapphire, no assay marks, size M1/2 / 6.5, 1.5g. 

Estimate £600 - £800