AN 18CT GOLD, DIAMOND AND OPAL RING. Stamped 18K, Size M, weight 13.9g

AN 18CT GOLD RING SET WITH 3 DIAMONDS. Size L/M, Stamped 18K, weight 3.4g

A VINTAGE CORAL AND DIAMOND RING in 18ct yellow gold, set with an oval cabochon coral within concentric borders of round cut diamonds and pear shaped cabochon coral, stamped 18K, size M / 6.5, 15.5g.

A CHOCOLATE PEARL AND DIAMOND RING in 18ct white gold, set with a chocolate pearl of 12.2mm, on a stylised band set with round cut diamonds, stamped 18K, size M.5 / 6.5, 9.1g.

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a central oval cut ruby of 1.19 carats within a cluster of round brilliant cut diamonds, stamped 18K, size M / 6.25, 5.6g.

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut ruby of 1.11 carats in a border of round and baguette cut diamonds totalling 0.54 carats, stamped 18K, size M / 6, 5.1g.

An 18ct gold diamond dress ring. The graduated square-shape diamond stepped line, to the tapered band. Total diamond weight 0.44ct, stamped to band. Import marks for London. Ring size M. Weight 3.1gms

18ct yellow gold diamond & emerald dress ring: Stamped .750 / 18k and tested as such. Weight 3.7g, ring size S.

An 18ct gold diamond two-row ring. The graduated brilliant-cut diamond lines, with plain band. Total diamond weight 0.50ct, stamped to band. Hallmarks for London. Ring size M 1/2. Weight 4gms. Overall

AN 18CT GOLD RING SET WITH A DIAMOND AND SIX RUBIES. Stamped 18K, Size N, weight 2.3g

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 OPAL AND DIAMOND RING in 18ct yellow gold, set with a cabochon opal in a border of single cut diamonds, stamped 18ct, size M / 6, 2.5g.

AN ANTIQUE OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cabochon opal in a cluster of rose cut diamonds, stamped 18CT & PLATINUM, size M / 6.25, 2.7g. 

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

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.35ctw. Opal. MEASUREMENTS: Ring size 7 3/4, ring top is 21mm 18mm wide. MARKED: 18ct. WEIGHT: 6.8 grams.Gemstones have not been graded for color and clar

METAL: 18K rose gold GEMSTONES: oval cabochon opal; round single cut diamonds approx. 0.60 carat total MEASUREMENTS: ring top 3/4 x 3/8 inch RING SIZE: 6-1/2 WEIGHT: 4.30 g.Stamped: 18K, inspired

five round brilliant diamonds estimated total weight 0.55ct., K-M, SI to I, two synthetic emeralds, stamped "JJS, 18K", white gold, size 6-1/4, 4.2 grams - Provenance: A Virginia Collector

A 14CT GOLD, SAPPHIRE AND DIAMOND CLUSTER RING. Stamped 14K, Size M, weight 2.1g

An early 20th century 18ct gold diamond ring. The old-cut diamond, with openwork gallery and shoulders. Estimated diamond weight 0.65ct, H-I colour, VS2-SI1 clarity. Ring size M. Weight 5.3gms.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with tapered band. Estimated diamond weight 0.75ct, H-I colour, VS2-SI1 clarity. Hallmarks for London. Ring size M. Weight 8.4gms. Ov

An 18ct gold diamond band ring. The plain band, inset with brilliant-cut diamond staggered lines. Estimated total diamond weight 0.30ct. Partial hallmarks for 18ct gold. Ring size M. Weight 5gms. Over

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, to the tapered band. Estimated diamond weight 0.45ct, J-K colour, P2 clarity. Hallmarks for London. Ring size M. Weight 3.3gms. Overa

An 18ct gold diamond cluster ring. The brilliant-cut diamond, within a similarly-cut diamond surround. Estimated total diamond weight 0.35ct. Hallmarks for Birmingham. Ring size M. Weight 3.1gms.

An 18ct gold diamond ring. Designed as a graduated brilliant-cut diamond line, with tapered half-band. Estimated total diamond weight 0.15ct. Hallmarks for Birmingham. Ring size M 1/2. Weight 3.1gms.

An Edwardian 18ct gold ruby and diamond ring. The rose-cut diamond cross, with circular-shape ruby quatrefoil surround, to the tapered shoulders. Hallmarks for Chester, 1908. Ring size M. Weight 2.1gm