An 18 Carat Gold and Three Stone Opal Ring set with Diamonds... Stamped 18CT, Size N, weight 4.3g

An 18 Carat Gold and Three Stone Opal Ring set with Diamonds... Stamped 18CT, Size N, weight 4.3g

AN OPAL AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an opal cabochon between two old cut diamonds, stamped 18, size G / 3, 2.3g.

AN EMERALD AND DIAMOND THREE STONE RING in 18ct white gold, set with an octagonal step cut emerald of 4.46 carats between two trilliant cut diamonds both totalling 0.65 carats, stamped 18K, size N / 6

A DIAMOND THREE STONE RING set with three round brilliant cut diamonds all totalling 0.4-0.5 carats, stamped PLAT 18CT, size N / 6.5, 2.3g.

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold and platinum, set with a square step cut blue sapphire between two round cut diamonds, stamped Plat 18ct, size N / 6.5, 2.1g.

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, stamped 18ct, size N / 6.75, 4.2g. 

An 18ct gold diamond three-stone ring. The brilliant-cut diamond line, with bi-colour mount. Total diamond weight 0.33ct, stamped to band. Hallmarks for London. Ring size N. Weight 3.7gms.

An Edwardian 18ct gold opal three-stone ring, with old-cut diamond spacers. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 1903, partially indistinct. Ring size N. 3.8gms.

AN DIAMOND THREE STONE RING in 18ct yellow gold, set with three old mine cut diamonds all totalling 1.2-1.4 carats, stamped 18CT, size L / 5.5, 3.2g.

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct white gold, set with an oval cut sapphire of 2.52 carats between two cushion cut diamonds both totalling 2.0-2.1 carats, stamped 18ct, size O / 7, 4.6g.

A DIAMOND THREE STONE RING in 18ct yellow gold and platinum, set with three round brilliant cut diamonds totalling 0.9-1.0 carats, stamped 18CT PLATINUM, size N1/2 / 7, 3.9g.

NO RESERVE - A DIAMOND THREE STONE RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated old cut diamonds, the diamonds all totalling 0.41 carats, stamped 18CT, size M / 6, 2.5g.

Three Stone Emerald & Diamond 14ct Ring Stones Three crossover set marquise cut emeralds with diamond shoulders Ring Gold shank, stamped 14k Gross item weight 4.6 g Ring size N (British), 6.75 (US) Ve

AN EMERALD AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an octagonal step cut emerald of approximately 1.46 carats, between two round cut diamonds, British hallmarks, size N / 6.5, 4.8g.

A DIAMOND THREE STONE RING in 18ct yellow gold, set with three round brilliant cut diamonds all totalling 0.9-1.0 carat, partial British hallmarks, size N / 6.5, 3.2g.

A DIAMOND THREE STONE RING in 18ct gold, the gold band set with three round brilliant cut diamonds, stamped 18, size U / 10, 3.6g.

AN OPAL AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an oval cabochon opal between two round brilliant cut diamonds, stamped 750, size K1/2 / 5.5, 4.7g.

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a round cabochon sapphire of approximately 7.18 carats, accented by trios of rose cut diamonds, stamped 750, size N / 6.75, 7.1g. 

Vintage 14k gold emerald opal ring. Brutalist texture with three bezel set emeralds on the ring face, encompassed by four opal stones. Size 8.5. Total emerald weight is approximately .5 carats, with a

AN ANTIQUE FIRE OPAL AND DIAMOND RING in 18ct yellow gold and silver, set with a cushion cut fire opal of 1.72 carats, within a border of single cut diamonds, stamped 18, size M / 6.25, 3.2g.

An 18 Carat Gold and Jade Ring. Stamped 18CT, Size N, weight 3.3g

AN 18 CARAT GOLD AND DIAMOND THREE STONE RING LONDON 1987The old European cut diamonds in four claw settings, approximately 1.00 carat total, maker's mark JABSize/dimensions: finger size N 1/2Gross we

AN 18 CARAT GOLD DIAMOND THREE STONE RING round brilliant-cut diamonds in claw settings. Estimated total diamond weight 1.20ct, hallmarked Sheffield, ring size M, 4.8 grams Good condition. Estimated

AN 18 CARAT WHITE GOLD SAPPHIRE AND DIAMOND THREE STONE RING a round-cut sapphire between round brilliant-cut diamonds. Estimated total diamond weight 0.65ct, ring size M, 4.9 grams Good condition. T