AN ONYX AND DIAMOND RING, GUY LAROCHE in 18ct white

POMELLATO, A ONYX AND DIAMOND CAPRI RING in 18ct white gold, set with a faceted onyx, accented by round brilliant cut diamonds to the band, signed Pomellato, stamped 750, size M / 6, 6.6g.

A 3.00 CARAT SOLITAIRE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond of 3.00 carats, stamped 750, size N / 6.75, 6.9g. Accompanied by a gemological report from the GIA statin

AN ORANGE SAPPHIRE AND DIAMOND RING in 18ct white and yellow gold, set with a cushion cut orange sapphire of approximately 5.4 carats between two trilliant cut diamonds totalling 0.8-0.9 carats, maker

A FINE ART DECO PINK TOURMALINE AND DIAMOND RING in 18ct white gold, set with two rectangular step cut pink tourmalines of 1.78 and 1.32 carats, the pierced openwork shoulders set with old cut diamond

AN UNHEATED RUBY AND DIAMOND RING in 18ct white gold, set with a cushion cut ruby of 1.87 carats, accented by carrie and round brilliant cut diamonds totalling 1.90 carats, stamped 750, size N / 7, 7.

AN EMERALD AND DIAMOND RING in 18ct white gold, set with an octagonal cut emerald of 2.33 carats in a border of round brilliant cut diamonds, accented by foliate details set with further round brillia

A SOLITAIRE DIAMOND RING in 18ct white gold, set with a princess cut diamond of 1.00 carat, full British hallmarks, size O / 7, 2.6g. Accompanied by a gemmological report stating the diamond is of G c

CHAUMET, A TANGO DIAMOND RING in 18ct white gold, designed as two interlocking swirl rings one set with round brilliant cut diamonds, signed Chaumet Paris, stamped 750, size 5 / K, 16.0g.

A SAPPHIRE AND DIAMOND RING in 18ct white gold, set with an oval cut sapphire of 3.13 carats in a double border of round brilliant cut diamonds, the diamonds all totalling 1.0-1.1 carats, stamped 18K,

AN EMERALD AND DIAMOND RING in 18ct white gold, set with a cushion cut emerald of 8.35 carats, in a double border of round brilliant cut diamonds, accented by trios of marquise cut diamonds, the bifur

AN EMERALD AND DIAMOND RING in 18ct white gold, set to the centre with an oval cut emerald of 2.75 carats in a border of round brilliant and baguette cut diamonds totalling 1.03 carats, stamped 750, s

A COLOMBIAN EMERALD AND DIAMOND RING in 18ct white gold, set with an octagonal cut emerald of 1.47 carats accented by pairs of round cut diamonds, Swedish assay marks for 18ct gold, size I / 4, 3.3g.

AN AQUAMARINE AND DIAMOND RING in 18ct white gold, set with a step cut aquamarine of 2.31 carats within an abstract border pave set with round brilliant cut diamonds, the diamonds all totalling 2.8-3.

A TANZANITE, RUBY AND DIAMOND RING in 18ct white gold, set with an oval cabochon tanzanite of 20.78 carats, within a border of round cut diamonds, accented by round cut rubies to the shoulders, stampe

A MOONSTONE, SAPPHIRE AND DIAMOND RING in 18ct white gold, set with a cabochon moonstone totalling 6.90 carats in a double border of round brilliant cut diamonds and round cut sapphires, stamped Au750

AN AQUAMARINE AND DIAMOND RING in 18ct white gold, the 6.94 carat pear cut aquamarine set between round cut diamonds in the shoulders, stamped 750, size V / 10.5, 6.6g.

A DIAMOND RING in 18ct white gold, designed as an abstract flower, set with a central trio of round cut diamonds, accented by further round cut diamonds in openwork design, full British hallmarks, siz

NO RESERVE - AN EMERALD AND DIAMOND RING in 18ct white gold, set with a cabochon emerald of 4.66 carats in a cluster of round brilliant cut diamonds, with further diamonds to the shoulders of the band

AN EMERALD AND DIAMOND RING in 18ct white gold, in foliate design, set with a step cut emerald of 0.40 carats and old cut diamond of 0.50 carats, accented by further rose cut diamonds, stamped 750, si

AN EMERALD AND DIAMOND RING in 18ct white gold, set with a step cut emerald of 1.00 carat between two baguette cut diamonds, British hallmarks, size M / 6, 3.6g.

NO RESERVE - AN EMERALD AND DIAMOND RING in 18ct white gold, set with an oval cabochon emerald of 3.31 carats, within a border of round brilliant and baguette cut diamonds, with further round brillian

A DIAMOND RING in 18ct white gold, set with an emerald cut diamond accented by two tapering baguette cut diamonds, full British hallmarks for 18ct gold, size M / 6, 2.4g.

A ROCK CRYSTAL AND DIAMOND RING in 18ct white gold, set with an etched rock crystal with an applied old cut diamond, inscribed 'Tousa', stamped 18, size M / 6.25, 3.8g.

A DIAMOND RING in 18ct white gold, comprising alternating pairs and single round brilliant cut diamonds totalling 0.70 carats, stamped 750, size K / 5, 3.0g.