A SYNTHETIC OPAL RING in yellow gold, set with an oval

A GROUP OF 10K GOLD AND GEM-SET RINGS • 10k yellow gold • 1 moonstone bead, 8 marquise and 4 round garnets, 1 oval synthetic ruby, 1 oval amethyst, 1 round opal cabochon • Sizes 5, 5

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.

A VINTAGE SYNTHETIC RUBY RING in yellow gold, set with an oval shaped synthetic ruby on a fluted band, no assay marks, size Q / 8, 5.9g.

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 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.

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.

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.

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 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.

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.

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 & Diamond Ring. 14 karat yellow gold mounting contains one bezel set oval opal doublet, three Old Mine cut diamonds and four Old European cut diamonds Size: 6 Wt: 13.2 grams

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

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

14k Yellow Gold Opal Ring. Set with an oval opal (crack). Marked. Size: 10.5. 5.79gr.

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.

(1) Unmarked, assumed to be 10K yellow gold. Set with oval Australian opal cabochon (14.2 mm x 12 1/2 mm). Total weight; 7 grams troy. Ring size 9 1/4.

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. 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

DESCRIPTION: Marked 10K yellow gold ring set with oval opal gemstone and decorated with rope trim. MEASUREMENTS: Size 6. 5/8" x 1/2". 2.2 dwt (3.5 gr). CONDITION: No defects noted.

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 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.

Two pair of opal earrings, together with an opal and diamond ring. The largest earring pair composed of 18K yellow gold set with oval black opals of approximately .70 carats each. Overall earring meas

One opal doublet ring stamped 14kt. yellow gold weighing 16.9 grams. Set with one oval opal doublet measuring 22.13mm x 13.51mm. Size 7.