NO RESERVE - AN OPAL RING in yellow gold, set with a cabochon opal, no assay marks, size M1/2 / 6.5,

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.

AN ANTIQUE OPAL FIVE STONE RING in yellow gold, set with a row of five graduated cabochon opals, no assay marks, size O / 7.25, 2.8g.

AN OPAL ETERNITY RING in 18ct yellow gold, set all around with a row of round cabochon opals, no assay marks, size N / 6.75, 0.9g.

A VINTAGE OPAL AND DIAMOND RING in yellow gold, set with three cabochon opals punctuated by pairs of single cut diamonds, no assay marks, size M / 6, 2.9g.

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 OPAL AND RUBY CLUSTER RING in yellow gold, set with a central cushion cut ruby within a cluster of cabochon opals, no assay marks, size K / 5.25, 1.5g.

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 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 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.

NO RESERVE - A VINTAGE RUBY RING in yellow gold, set with a cabochon ruby, no assay marks, size N / 6.5, 4.8g.

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.

A FINE ART DECO BLACK OPAL AND DIAMOND RING in white gold, set with a pear shaped cabochon opal accented by round cut diamonds, no assay marks, size I / 4.5, 3.5g.

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.

NO RESERVE - AN ORANGE PASTE DRESS RING in yellow gold, the tapering band set with a cabochon orange paste, accented by twisted rope work, no assay marks, size S / 9, 16.3g.

NO RESERVE - AN OPAL FIVE STONE RING, 1923 in 18ct yellow gold, set with a row of five graduated cabochon opals, full British hallmarks for Chester 1923, size V1/2 / 11, 3.4g.

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

NO RESERVE - A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in yellow gold and silver, set with an oval cabochon sapphire of 9.00 carats in a border of old cut diamonds, Austrian assay marks, size M / 6,

NO RESERVE - AN ANTIQUE PEARL AND TURQUOISE DRESS RING in yellow gold, the band set with a pearl within a foliate border set with round cabochon turquoise, no assay marks, pearls untested, size P / 7.

Ring made of brightly polished 18K yellow gold, featuring a prong set oval opal cabochon, weighing approx. 0.60 carat, marked: "750 and with a maker's mark". Measuring US size 4 3/4, approx. 2.4 dwt.

Opal cabochons set in antiqued 14k yellow gold tapered band; no marks, tested. Ring size 8; total weight 8.5 grams We happily provide seamless shipping services on everything we sell. Please email u

9k yellow gold mid-century designed cocktail ring with a large oval blue opalescent opal set in a Brutalist style band, with makers mark. Size 7. L. of stone: 25mm

Opal and gold ring Set with an oval cabochon opal weighing approx. 17.65 cts in an engraved gold mount 18k yellow gold Ring size 6 1/2; Gross weight 12.6 dwts

AN ANTIQUE TURQUOISE RING in yellow gold, set with round cabochon turquoise, no assay marks, size K / 5.25, 1.6g. 

AN ANTIQUE GARNET AND MOONSTONE RING in yellow gold, set with alternating oval cut garnets and cabochon moonstone, no assay marks, size K / 5, 3.9g.