AN ANTIQUE UNHEATED RUBY AND DIAMOND RING in yellow gold, set with five graduated cushion cut rubies all totalling 3.0-3.5 carats, accented by rose cut diamonds, no assay marks, size K / 5.5, 3.5g. Accompanied by a gemmological report stating that th

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND AND RUBY SNAKE RING in yellow gold, designed as two coiled snakes, the heads set with a round cut ruby and an old cut diamond respectively, no assay marks, size R / 8.5, 9.8g. 

Estimate £800 - £1,200

A FINE BLACK OPAL AND DIAMOND CLUSTER RING set with a black opal of approximately 9.70 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 0.9-1.0 carat, no assay marks, size O1/2 / 7.75, 7.1g. 

Estimate £7,000 - £9,000

AN ANTIQUE PEARL AND DIAMOND RING in yellow gold, set with a pearl accented by old cut diamonds, no assay marks, size N1/2 / 7, 1.8g. 

Estimate £200 - £300

AN ANTIQUE DIAMOND CLUSTER RING in 18ct yellow gold, set with a cluster of round cut diamonds, stamped 18CT, size N1/2 / 7, 2.4g. 

Estimate £200 - £300

A RUBY AND DIAMOND CLUSTER RING set with a round cut ruby of approximately 0.56 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling 0.5-0.6 carats, stamped 18ct, size N / 6.75, 3.4g. 

Estimate £1,200 - £1,800

AN ANTIQUE DIAMOND AND AQUAMARINE GYPSY RING in 18ct yellow gold, set with an old cut diamond accented on each side by a round cut aquamarine, full British hallmarks for Birmingham 1902, size N1/2 / 7, 4.5g. 

Estimate £300 - £500

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of approximately 2.21 carats, in a cluster of round brilliant cut diamonds, the diamonds totalling 0.8-0.9 carats, stamped 18CT, size N1/2 / 7, 3.0g. 

Estimate £2,000 - £3,000

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 ORANGE SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with an oval cut orange sapphire of approximately 2.51 carats in a cluster of old cut diamonds, the diamonds all totalling  1.1-1.2 carats, no assay marks, size M / 6.25, 4.0g. 

Estimate £1,500 - £2,500

AN ANTIQUE SAPPHIRE AND DIAMOND GYPSY RING in 18ct yellow gold, set with a round cut sapphire and old cut diamonds in star shaped borders, full British hallmarks for Birmingham 1917, size O / 7.25, 4.7g. 

Estimate £400 - £600

A DIAMOND FULL ETERNITY RING set all around with a row of round brilliant cut diamonds, the diamonds all totalling 1.2-1.3 carats, no assay marks, size N / 6.75, 2.6g. 

Estimate £800 - £1,200

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 £2,000 - £3,000

A SAPPHIRE AND DIAMOND TOI ET MOI DIAMOND set with an octagonal step cut sapphire of approximately 0.56 carats and an old European cut diamond of approximately 0.85 carats, the band set with rose cut diamonds, stamped 585, size O1/2 / 7.5, 4.2g. 

Estimate £1,500 - £2,500

A THREE STONE DIAMOND RING set with three round brilliant cut diamonds, the diamonds all totalling 1.7-1.8 carats, stamped PLAT, no assay marks, size J1/2 / 5, 3.2g. 

Estimate £1,500 - £2,500

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 ANTIQUE VICTORIAN ENAMEL MOURNING RING in 18ct yellow gold, set with hairwork beneath a glass panel, the scrolling band decorated in black enamel spelling 'IN MEMORY OF', inscribed 'My much esteemed friend William Wild Esq Obt 1st April 1850 Oct 4

Estimate £1,000 - £1,500

A COLOMBIAN MINOR EMERALD AND DIAMOND CLUSTER RING set with an octagonal step cut emerald of 1.15 carats in a cluster of old cut diamonds, the diamonds totalling 1.8-2.0 carats, no assay marks, size N1/2 / 7, 5.1g. Accompanied by a gemmological repor

Estimate £4,000 - £6,000

AN EMERALD SCARAB DRESS RING set with an oval cabochon emerald carved to depict a scarab, inscribed 380, stamped 750, size U / 10.25, 11.1g. 

Estimate £2,000 - £3,000

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 £2,000 - £3,000

AN EMERALD AND DIAMOND DRESS RING set with an octagonal step cut emerald of approximately 8.15 carats, the shoulders set with round brilliant cut diamonds, no assay marks, size P1/2 / 8, 7.4g. 

Estimate £3,000 - £5,000

AN ANTIQUE RUBY AND DIAMOND FIVE STONE RING in yellow gold, set with a row of cushion cut rubies and old cut diamonds, partial British hallmarks, size M1/2 / 6.5, 3.1g. 

Estimate £800 - £1,200

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

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

AN ANTIQUE GARNET INTAGLIO RING in yellow gold, set with a garnet intaglio carved to depict the bust of the god Hermes with his caduceus staff, no assay marks, size N / 6.75, 19.4g. 

Estimate £6,000 - £8,000

AN ANTIQUE SAPPHIRE AND DIAMOND NAVETTE RING in 18ct yellow gold, the navette shaped ring set with round and pear cut sapphires in a border of old cut diamonds, the sapphires totalling 0.9-1.0 carat, the diamonds totalling 0.9-1.1 carats, stamped 18C

Estimate £1,000 - £1,500

AN ANTIQUE AGATE CAMEO RING in yellow gold, set with an agate cameo carved to depict a man in profile, no assay marks, size M / 6.25, 10.7g. 

Estimate £2,500 - £3,500

A GREEN TOURMALINE AND DIAMOND RING set with an oval cut green tourmaline of approximately 5.70 carats in a border of round brilliant cut diamonds, the diamonds totalling 0.4-0.5 carats, stamped 750, size K1/2 / 5.5, 9.0g. 

Estimate £1,500 - £2,500

CARTIER, A DIAMOND BOMBE RING in 18ct yellow gold, the textured mount set with a cluster of round brilliant cut diamonds, the diamonds totalling 0.8-1.0 carat, signed Cartier, London import marks, stamped 750, size Q / 8.25, 18.8g. 

Estimate £4,000 - £6,000

AN ANCIENT GOLD SNAKE RING in yellow gold, designed as a coiled snake, no assay marks, size S / 9.25, 5.2g. 

Estimate £2,000 - £3,000

A VINTAGE GARNET RING in 9ct yellow gold, set with an oval cabochon garnet, full British hallmarks for London 1971, size H / 3.75, 3.2g. 

Estimate £200 - £300

AN ANTIQUE DIAMOND DRESS RING in yellow gold and silver, set with a graduating row of rose cut diamonds in a border of further rose cut diamonds, no assay marks, size M1/2 / 6.5, 8.6g. 

Estimate £1,500 - £2,000

AN ANTIQUE AMETHYST AND PEARL RING in yellow gold, set with an oval cut amethyst in a cluster of pearls, the bifurcated band set with further pearls, no assay marks, size L / 5.75, 3.0g. 

Estimate £500 - £700

A PINK SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an octagonal step cut pink sapphire of approximately 1.29 carats in a cluster of round brilliant cut diamonds, the diamonds all totalling approximately 1.04 carats, full British ha

Estimate £1,500 - £2,500

CHARLES GREIG, AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of approximately 2.10 carats, the band set with round brilliant cut diamonds, signed Charles Greig, no assay marks, size M / 6.25, 7.3g. 

Estimate £800 - £1,200

A TEAL SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut teal sapphire of approximately 1.25 carats in a cluster of round brilliant cut diamonds, full British hallmarks, size M / 6.25, 5.8g. 

Estimate £1,200 - £1,600

A DIAMOND DRESS RING in 14ct yellow gold, set with three old cut diamonds, the principal diamond of approximately 0.94 carats, within a border of rose cut diamonds, stamped 585, size L / 5.75, 3.6g. 

Estimate £1,200 - £1,600

AN AQUAMARINE FIVE STONE RING set with a row of oval and round cut aquamarines totalling 1.2-1.4 carats, accented by rose cut diamonds, no assay marks, size R / 8.75, 4.0g. 

Estimate £400 - £600

AN ANTIQUE GEORGIAN ENAMEL AND DIAMOND MOURNING LOCKET RING in yellow gold, the marquise-shaped hinged locket with an applied urn motif set with rose cut diamonds, accented by blue enamel, the shoulders designed as angels decorated with further ename

Estimate £2,000 - £3,000

AN EMERALD AND DIAMOND RING set with an octagonal step cut emerald of 2.53 carats in a border of baguette cut and round brilliant cut diamonds, the diamonds all totalling 0.7-0.8 carats, stamped 750, size N / 6.75, 6.3g. 

Estimate £4,000 - £6,000

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 £1,200 - £1,600

A DIAMOND THREE STONE RING in yellow gold, set with three old cut diamonds totalling 1.8-2.0 carats, no assay marks, size N 1/2 / 7, 3.2g. 

Estimate £2,500 - £3,500

AN EMERALD AND DIAMOND CLUSTER RING in platinum, set with a square step cut emerald of approximately 0.62 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, full British hallmarks, size K

Estimate £1,500 - £2,000

AN ANTIQUE PEARL AND ENAMEL RING in yellow gold, the domed oval face set with pearls accented by sections of blue enamel, no assay marks, size N1/2 / 7, 8.1g. 

Estimate £600 - £800

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of approximately 4.60 carats, accented by round cut diamonds in a pierced scrolling design, no assay marks, size P / 7.75, 7.2g. 

Estimate £300 - £500

A NATURAL SALTWATER PEARL AND DIAMOND CLUSTER RING set with a heart shaped pearl in a cluster of rose cut diamonds, no assay marks, size M / 6.25, 4.2g. Accompanied by a gemmological report stating the pearl is of natural saltwater origin with no ind

Estimate £2,500 - £3,500

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with a pear cut sapphire of approximately 2.09 carats in a cluster of rose cut diamonds, no assay marks, size K1/2 / 5.5, 5.5g. 

Estimate £2,000 - £3,000

AN ORANGE SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a cushion cut orange sapphire of 2.68 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, full British hallmarks, size N /

Estimate £1,500 - £2,000

AN ANTIQUE PEARL RING in 18ct yellow gold, set with three pearls, partial British hallmarks, size N / 6.75, 3.4g. 

Estimate £400 - £600

AN EMERALD AND DIAMOND CLUSTER RING set with an octagonal step cut emerald of approximately 0.39 carats in a cluster of single cut diamonds, inscribed 14-83, stamped 750, size K1/2 / 5.5, 2.4g. 

Estimate £1,000 - £1,500

AN ANTIQUE GEORGIAN DIAMOND AND ENAMEL MOURNING RING in yellow gold and silver, the elongated face comprising an urn motif set with rose cut diamonds and relieved in white enamel, over a blue enamel background, accented by a border of old cut diamond

Estimate £2,500 - £3,500

AN ANTIQUE EMERALD FIVE STONE RING in yellow gold, set with five graduated cushion cut emeralds, no assay marks, size M / 6.25, 2.8g.

Estimate £1,000 - £1,500

AN ANTIQUE EMERALD AND PEARL CLUSTER RING in yellow gold, set with a cushion cut emerald of approximately 0.96 carats in a cluster of pearls, no assay marks, size N / 6.75, 5.1g. 

Estimate £800 - £1,200

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

Estimate £800 - £1,200

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

A DIAMOND TOI ET MOI RING set with two transitional cut diamonds, the shoulders set with single cut diamonds, stamped 750, size M1/2 / 6.5, 3.2g.

Estimate £800 - £1,200

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut yellow sapphire of approximately 1.50 carats in a cluster of round brilliant cut diamonds, the shoulders set with further round brilliant cut diamonds, full British hallmark

Estimate £1,000 - £1,500

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 STAR SAPPHIRE AND DIAMOND RING set with an oval cabochon star sapphire of approximately 4.49 carats, accented by baguette and round brilliant cut diamonds, stamped 18K, size L / 5.75, 4.0g. 

Estimate £800 - £1,200

NO RESERVE - AN AMETHYST, CORAL, DIAMOND AND TURQUOISE RING set with an oval cut amethyst of approximately 11.14 carats in a border of round cut diamonds, pear and marquise cabochon coral and oval cabochon turquoise, no assay marks, size N / 6.75, 8.

Estimate £250 - £350

AN ORANGE TOURMALINE AND DIAMOND RING in 9ct yellow gold, set with an oval cut orange tourmaline of approximately 1.20 carats, accented by round cut diamonds, full British hallmarks, size N / 6.75, 3.6g. 

Estimate £120 - £180

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