AN OPAL AND EMERALD RING in 9ct yellow gold, set with an oval cabochon opal triplet in a border of

AN OPAL AND EMERALD RING in 9ct yellow gold, set with an oval cabochon opal triplet in a border of round cut emeralds, full British hallmarks for 9ct gold, size N / 7, 3.6g.

AN OPAL AND DIAMOND RING in 9ct yellow gold, set with an oval cabochon opal and old cut diamond of approximately 0.27 carats, full British hallmarks for 9ct gold Birmingham 1988, size N / 7, 5.8g.

NO RESERVE - AN ANTIQUE VICTORIAN OPAL, GARNET AND EMERALD RING 1868 in 12ct yellow gold, set with an oval cabochon opal, within a row of cushion cut and step cut garnets and emeralds, maker's mark JG

AN OPAL AND DIAMOND RING in yellow gold, set with an oval cabochon opal doublet within a border of single cut diamonds, no assay marks, size Q / 8, 5.3g.

AN OPAL AND DIAMOND CLUSTER DRESS RING in yellow gold and silver, set with an oval cabochon opal within a border of old cut diamonds, no assay marks, size N / 6.5, 4.6g.

VINTAGE OPAL, EMERALD AND WHITE GEMSTONE RING in yellow gold, in cluster form, set with a cabochon opal in a border of step cut emeralds and round cut white gemstones, unmarked, size M / 6, 3.0g.

AN OPAL AND DIAMOND DRESS RING in high carat yellow gold and silver, set with an oval cabochon opal within a border of rose cut diamonds, with stylised decoration to the band, unmarked, size N / 7, 3.

AN OPAL DRESS RING in yellow gold, set with an oval cabochon opal weighing 3.05 carats, no assay marks, size N / 6.75, 4.2g.

AN OPAL DRESS RING in yellow gold, set with an oval cabochon opal to a bifurcated band, unmarked, size N / 6.75, 1.6g.

(1) Saint St. Academy. 10K yellow gold with black enamel. Total weight 4.7 grams troy. Ring size: 7. (1) Opal ring, 10K yellow gold set with (5) oval opal cabochons. Total weight 1.5 grams troy. Ring

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.

A FIRE OPAL AND DIAMOND RING in 9ct yellow gold, set with an oval cut fire opal, accented by round brilliant cut diamonds, full British hallmarks for 9ct gold, size P / 7, 3.2g.

An Opal & Diamond Ring. 14 karat yellow gold mounting contains one prong set oval cabochon opal surrounded by 16 round diamond mounted in white gold. Opal sustains an interior crack Size: 7 Wt: 7.7 gr

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 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.

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 OPAL AND RUBY PENDANT in yellow gold, set with an oval cabochon opal in a border of further opals and round cut rubies, a round cut ruby set to the bail, no assay marks, 3.9cm, 4.4g. 

An Opal and Diamond Ring. 14 karat yellow gold ring contains one prong set oval cabochon opal which is aurrounded by ten prong set round diamonds, which are surrounded by a single band of black enamel

AN OPAL AND DIAMOND DRESS RING in 18ct yellow and white gold, set with an oval cabochon opal accented by round brilliant and princess cut diamonds, the diamonds all totalling 1.2-1.4 carats, British h

AN ANTIQUE OPAL AND RUBY RING in yellow gold, set with a pear shaped cabochon opal within a border of cushion cut rubies, no assay marks, size O / 7, 3.2g.

AN OPAL, ENAMEL, AND DIAMOND RING in 9ct gold, set with a round cabochon opal in a border of black enamel, accented by round brilliant cut diamonds, full British hallmarks, stamped 375, size O / 7, 2.

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three graduated oval opal cabochons, punctuated by pairs of old mine cut diamonds, British hallmarks for Birmingham, 1890, size S / 9, 5.

A BOULDER OPAL RING. 14 karat yellow gold mounting contains one prong set oval boulder opal cabochon. Size: 8 1/2 Wt: 17.6 grams

An Opal Ring. 14 karat yellow gold openwork mounting contains one prong set oval opal cabochon and four prong set round brilliant diamonds Size: 6 1/2 Wt: 8.9 grams