18ct gold hallmarked black opal & diamond cluster ring: Outstanding ring supplied by Boodles, ring

18ct gold hallmarked black opal & diamond cluster ring: Outstanding ring supplied by Boodles, ring size T, 24 small but high grade diamonds. Opal measures 16mm x 11mm.

An 18ct gold opal and diamond cluster ring. The oval opal cabochon, within a single-cut diamond surround, to the tapered band. Estimated total diamond weight 0.35ct. Hallmarks for London, 1978. Ring s

A mid 20th century 18ct gold and platinum, opal and diamond cluster ring. The opal cabochon, within a single-cut diamond surround. Estimated total diamond weight 0.10ct. Ring size O. Weight 2.6gms. Ov

A BLACK OPAL AND DIAMOND CLUSTER RING LONDON 1975The oval cabochon black opal within a surround of brilliant cut diamonds, approximately 0.48 carats total, the 18 carat gold shank stamped with sponsor

An 18ct gold opal and diamond novelty brooch, and an 18ct gold gem-set cluster ring. The brooch designed as a pair of sunglasses with oval opal cabochon lenses and brilliant-cut diamond bridge, the ri

An opal and diamond-set cluster ring, in 18ct yellow gold, size J1/2, together with a 9ct yellow gold engine-turned toothpick; 8.8 grams

A group of silver and gold gem set rings, comprising a 9ct gold opal and diamond cluster ring, Birmingham 2004, a 9ct gold diamond ring, one diamond deficient, hallmarked Birmingham, a 9ct gold sapphi

AN OPAL AND DIAMOND CLUSTER RING in 18ct white gold, set with a cabochon opal of 9.50 carats in a border of round brilliant cut diamonds, the band accented by further diamonds all totalling 0.65 carat

AN OPAL AND DIAMOND CLUSTER RING in 18ct white gold, set with a cabochon opal in a cluster of round cut diamonds, British hallmarks, size H / 4, 5.2g.

AN OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cabochon opal in a cluster of rose cut diamonds, French import mark, size O / 7, 3.9g.

18ct gold diamond cluster ring and a 9ct gold diamond weave ring, hallmarked

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. 

Two 18ct gold diamond and gem-set rings. To include an oval opal cabochon single-stone ring with brilliant-cut diamond stepped sides, together with a ruby and diamond cluster ring. Estimated total dia

Four gold diamond and gem-set rings. To include an 18ct gold diamond and garnet-topped-doublet three-stone ring, a 9ct gold opal cluster ring, together with two further 9ct gold rings. Estimated total

Four diamond and gem-set rings. To include an Edwardian 18ct gold turquoise five-stone and diamond ring, a 9ct gold opal and sapphire cluster ring, together with two further gem-set rings. One with ha

A Victorian 18ct yellow gold double snake-head ring with diamond eyes (one lacking black stone to head), fully hallmarked, size R, 9.2 grams, together with a late 19th / early 20th century leather-bou

14K yellow gold ring, with cluster of rubies and diamonds, sz 6, 2) 10K yellow gold amethyst prism ring, sz 6.5, 3) 14K yellow gold opal prong set ring, sz 6.5 and 4) 10K white gold black onyx and cub

Estate 14kt Gold & 1 Carat Diamond Cluster Ring. Victorian style with gold, diamonds and black enamel. Approximately 1 carat of round diamonds. Hallmarked. Ring size 7 can be resized. Weighs approxima

A BLACK OPAL RING, an oval black opal in a double claw setting, to notched shoulders, marked ‘9CT’, ring size P1/2; and A 9 CARAT GOLD GARNET AND WHITE CUBIC ZIRCONIA CLUSTER RING, hallmarked Birm

(544043-4-A) Two 19th century gold gem-set rings. To include an 18ct gold old-cut diamond and black enamel mourning ring, AF, together with a replacement emerald and opal three-stone ring with openwor

AN OPAL AND DIAMOND RING in 18ct yellow gold, set with a round cut diamond within a cluster of four cabochon opals, no assay marks, size N / 6.5, 5.4g.

An antique 18ct gold and diamond cluster ring. The ring set with a central cluster of rose cut diamonds within a pierced setting having scroll decorated shoulders and plain shank.  Marked 18ct with p

18ct gold hallmarked sapphire & diamond ring: Weight 4.2g, ring size O.

18ct gold hallmarked sapphire & diamond ring: Weight 2.1g, ring size Q1/2.