An opal single-stone ring. The oval opal cabochon, with

Two rings. To include a 9ct gold buckle ring, together with an oval opal cabochon single-stone ring. One with hallmarks for London. Total weight 10.3gms.

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

A single stone black opal ring, A single stone black opal ring, an oval cabochon opal, approximately 9.00mm x 13.00mm, claw set to a plain collet, to trifurcated shoulders, and a plain shank. Tested a

An 18ct gold opal and diamond three-stone ring. The oval opal cabochon line, with single-cut diamond double spacers, to the scrolling sides and plain band. Hallmarks for London, 1961. Weight 4.9gms.

An Edwardian 18ct gold opal and diamond seven-stone ring. The graduated oval opal cabochon line, with single-cut diamond line spacers. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham,

A selection of four 9ct gold gem-set dress rings. To include an amethyst single-stone ring with colourless gem asymmetric shoulders, an oval opal cabochon and sapphire cluster ring, together with two

An opal single-stone ring. The oval opal doublet collet, with polished surround, to the trifurcated shoulders. Ring size T. Weight 4gms.

A late Victorian 18ct gold opal five-stone ring. The graduated oval opal cabochon line, with rose-cut diamond spacers. Hallmarks for Birmingham, 1896. Ring size O1/2. Weight 4.4gms.

An early 20th century 18ct gold opal five-stone ring. The graduated oval opal cabochon line, with diamond point double spacers. AF. Hallmarks for Birmingham, partially indistinct. Ring size O. Weight

An Edwardian 18ct gold opal five-stone ring. The oval-shape opal cabochon graduated line, to the openwork gallery and tapered band. Hallmarks for Chester, 1901, partially indistinct. Weight 2.4gms.

An early 20th century 18ct gold opal and diamond three-stone ring. The graduated oval opal cabochon line, with old-cut diamond double spacers. Estimated total diamond weight 0.10ct. Ring size L1/2. We

An opal three-stone and diamond ring. The graduated oval black opal cabochon line, with old-cut diamond double spacers and stylised foliate shoulders. Estimated total diamond weight 0.10ct. Ring size

A five stone opal ring, A five stone opal ring, five graduated oval cabochon opals all claw set to a scalloped gallery, to solid shoulders and a 'D' section band. Tested as approximately 9ct gold, 3.2

A gold single stone black opal ring, A gold single stone black opal ring, a round cabochon black opal, damaged, rub set to tapering, textured, flat section band, tested as approximately 18ct gold, 11.

NO RESERVE, OPAL SINGLE STONE RING, Set with a cabochon cut opal of approx. 11.9 x 8.4 x 3.4 mm. Size J. 2.1 grams.

Four 9ct gold gem-set dress rings. To include an oval opal cabochon five-stone ring, an oval-shape amethyst three-stone ring with circular-shape amethyst line sides and a further two gem-set rings. Ha

A 9ct gold opal and diamond ring. The oval opal cabochon, with single-cut diamond sides, to the bifurcated shoulders with grooved bar terminals. Hallmarks for Birmingham. Weight 1.9gms.

NO RESERVE - AN ANTIQUE OPAL FIVE STONE RING in 18ct yellow gold, set with five graduated oval cabochon opals, stamped 18ct, size P / 7.75, 4.8g.

An opal single-stone ring, AF. The rectangular opal cabochon, with openwork foliate sides. Ring size H. Weight 2.6gms. Overall condition good. Minor surface scratches/wear in keeping with general age

Edwardian 14K Rose Gold Opal, Ruby, and Red Stone Five Gemstone Ring, central oval cabochon-cut opal approx: 6.5 x 4 mm flanked by one oval ruby and one oval red stone and two oval opals. Ring measure

Antique 9 karat yellow gold ring in elegant style design, set with two oval cut Garnet cabochons and one oval cut Opal stone. Ring size 5. Weighs approx. 2.4 dwt (3.73 grams). Shipping to be $15 + ins

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

An early 20th century 18ct gold opal and diamond ring. The oval opal cabochon, to the single-cut diamond and circular opal cabochon sides. Weight 3.2gms.

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.