AN OPAL AND DIAMOND RING in 14ct yellow gold, set with a cabochon opal accented by round cut

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 DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with three cabochon opals, accented by round cut diamonds, stamped 18CT & PT, size L / 5.75, 2.7g.

Ladies 14kt Yellow Gold ring set with (4) Fire Opal cabochons accented by approx. .80cts of Round Brilliant Cut Diamonds. Marked 14K. Weighs approx. 11 grams. Ring size 9 1/2. Shipping to be $20 + ins

Ladies 14kt yellow gold opal and diamond ring featuring a prong set oval cabochon cut opal weighing approx. 8.50ct and displaying green and orange fire. Accented with a square frame of prong st round

Ladies 14kt yellow gold opal and diamond ring featuring a cabochon cut opal weighing approx. 4.63ct, displaying blue- green fire. Accented with prong set round brilliant cut diamonds weighing approx.

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with two cabochon cut opals, accented by old mine cut diamonds, to stylised shoulders, stamped 18CT, size O / 7.25, 2.6g.

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.

A VINTAGE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by trios of round cut diamonds, stamped 18ct, size S.5 / 9.25, 4.1g.

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.

OPAL AND DIAMOND RING in 18ct yellow gold, set with a cushion-shaped cabochon opal in a border of round cut diamonds, with further round cut diamonds to the shank, unmarked, size M / 6, 4.5g.

AN ANTIQUE OPAL AND DIAMOND DRESS RING in high carat yellow gold, the face set with five graduated oval cabochon opal accented by single cut diamonds, with textured decoration to the band, unmarked, s

AN OPAL AND DIAMOND DRESS RING in 18ct white gold, set with a pear shaped cabochon opal within a twisted mount, accented by round cut diamonds, stamped 18kt, size Q / 8, 8.6g.

AN ANTIQUE OPAL AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of graduated oval cabochon opals, accented by pairs of old European brilliant cut diamonds, full British hallmarks (partly o

AN OPAL, DIAMOND AND SAPPHIRE CLUSTER RING in yellow gold, set with a round cut sapphire in a border of round cut diamonds and cabochon opals, marked indistinctly, tests as yellow gold, size M / 6, 4.

A PAIR OF OPAL AND DIAMOND DROP EARRINGS in 14ct yellow gold, each set with a round cabochon opal suspending a row of rose cut diamonds terminating in a pear shaped cabochon opal, stamped 14k, 5.0cm,

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.

Large 14kt yellow gold opal & diamond ring. The ring has a tall design an features six (6), prong set, oval cabochon opals surrounding one (1), prong set, round single cut diamond. The ring has an ope

Marked 14 karat yellow gold ring with a central set white opal cabochon surrounded by 8 round cut diamonds in a white gold setting. Marked "14K" and possibly Cyrillic characters. Central opal is an ov

Opal, diamond, and gold ring Of floral design, set with cabochon opals and round brilliant-cut diamonds 18k yellow gold Ring size 7.50; Gross weight 5.0 dwts

AN ANTIQUE OPAL AND DIAMOND DRESS RING, 19TH CENTURY in 18ct yellow gold, set with a central round cabochon opal between two kite shaped cabochon opals, the central opal within a border of old cut dia

AN OPAL, AMETHYST AND DIAMOND SPIDER BROOCH in yellow gold and silver, the body set with a round cabochon opal and a round cut amethysts accented by rose cut diamonds in the legs, unmarked, 3.7cm, 8.9

A 14kt Yellow Gold, Opal and Diamond Ring, Set with one cabochon cut opal, approx. 12 mm- 9 mm. Also set with three round cut diamond melee, each approx. 0.02-0.03 pts. Marked 14K, BR. Size: 7 Approx.

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

Opal, Diamond, 18k Yellow Gold Ring. Featuring one oval shaped opal cabochon measuring approximately 11 x 8.9 mm, accented by forty-six round-cut diamonds weighing a total of approximately 0.15 cttw.,