AN OPAL AND DIAMOND PENDANT in yellow gold, set with a cabochon opal and four round brilliant cut

A BLACK OPAL AND DIAMOND PENDANT AND CHAIN in 18ct yellow gold, the pendant set with a pear shaped cabochon black opal in a border of round brilliant cut diamonds, accented by a further round brillian

14 kt. White Gold, Yellow Gold, Opal and Diamond Pendant on 14 kt. Gold Chain, center bezel set oval cabochon cut opal, wt. approx. 11.06 cts., 21.53 x 7.28 mm; bezel and link with 37 round brilliant

Fourteen-Karat Yellow Gold, Black Opal and Diamond Pendant, in a modern design and bezel-set with an oval cabochon black opal, with an approximate weight of 5.75 carats, and two round brilliant-cut di

14k yellow gold freeform pendant containing one freeform boulder opal, one oval cabochon doublet, four gemstones of various cuts and colors and one round brilliant cut diamond weighing approximately 0

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.

A BLACK OPAL AND DIAMOND PENDANT in 18ct yellow gold, set with a cabochon black opal of 3.40 carats, the bail accented by three round cut diamonds, stamped 18K, 2.2cm, 1.4g.

AN OPAL AND DIAMOND PENDANT NECKLACE in 18ct white gold, set with a pear shaped cabochon opal in a border of round brilliant cut diamonds, suspended from a chain, full British hallmarks, pendant 2.3cm

Vintage Five Cabochon Opal, Four Round Brilliant Cut Diamond, Baroque Pearl and 14 Karat Yellow Gold Ring. Opals with good play of color. Ring size 7. Approx. weight: 14.5 dwt. Condition: Very good vi

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

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

Seven enamel, opal, and gold band rings The joined bands of floral design, set with cabochon opals, single and round brilliant-cut diamonds Yellow and pink gold Ring size 6; Gross weight 6.2 dwts Prov

Opal and Diamond Pendant with Chain 18k yellow gold, the pendant mounted with an oval cabochon-cut opal weighing approximately 9.48 carats, accented by round brilliant-cut diamonds weighing approximat

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.

A 14 Karat Yellow Gold, Opal and Diamond Demi-Parure, consisting of a pair of earclips containing 20 oval cabochon cut opals measuring approximately 6.11 x 4.01 mm and four round brilliant cut diamond

Ladies 10kt yellow gold opal and diamond ring featuring six prong set cabochon cut opals displaying green and orange fire. Accented with prong set round brilliant cut diamonds weighing approx. 0.25ct.

Victorian Diamond, opal, and enamel bangle bracelet Of blue and black enamel foliate scroll design, set with a cabochon opal and old mine, rose, and round brilliant-cut diamonds Yellow gold Inner circ

Modern 14k yellow gold, fire opal, and diamond ring, featuring a 5.81ct orange cabochon fire opal set into a tapering custom cast mount containing (72) round brilliant cut diamonds (SI-1 clarity, J-K

Ladies estate 14 karat yellow gold ring set around the bezel with twenty-eight small round Opal stones encircling the large oval shaped Opal center stone, accented with four small round brilliant cut

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

PAIR OF OPAL AND DIAMOND EARRINGSPair of 14k yellow gold cluster clip-on earrings set with ten (10) pear-shaped cabochon cut opals (approx. 5.8mmx 4mm) and fourteen (14) round brilliant cut diamonds (

AN OPAL AND DIAMOND PENDANT AND CHAIN, ASPREY & CO in 18ct white gold, set with an elongated oval cabochon opal of 4.85 carats, suspended below four graduated chevron motifs set with round cut diamond

Ladies 14kt yellow gold opal and diamond slide pendant featuring a bezel set freeform opal doublet displaying green and orange fire. Accented with channel set round brilliant cut diamonds weighing app

A Yellow Gold, Boulder Opal and Diamond Pendant with Chain, containing one oval cabochon cut boulder opal measuring approximately 16.43 x 10.73 x 4.48 mm and three round brilliant cut diamonds weighin

Set of 18k yellow gold diamond and opal earrings and ring including:18k yellow gold opal and diamond ring; with nine white-crystal oval cabochon cut opals and 20 round brilliant diamonds. One large ov