An opal and diamond pendant, the tapering rectangular opal cabochon, with good blue/orange play of

Opal diamond clip pendant GG/WG 585/000 with milk opal cabochons 9 - 2 mm with good play of colours and diamonds, l. 26 mm, 2,7 g

FINE ANTIQUE OPAL DIAMOND AND RUBY PENDANT, The vibrant opal with good play of color and reds, with rubies and bright and lively diamonds. L. 4 cm. 7.5 grams.

FINE BLACK OPAL, NATURAL SALTWATER PEARL AND DIAMOND PENDANT,High carat gold.Opal with good play of colour.Natural saltwater pearl.Diamonds bright and lively.L. 4.7 cm.4.6 grams.

Vintage Black Opal, Two Round Brilliant Cut Diamond and 14 Karat Yellow Gold Pendant. Opal with good play of multi-color. Measures 2" L, 1-1/4" W. Approx. weight: 23.33 grams Condition: Very good vint

18K yellow gold pendant featuring a very fine elongated oval opal with very good play of color, opal measures 6.5 x 13.5mm with a diamond set at the top hanging on a heavy 18K yellow gold chain, 19 in

This is a vintage 14K gold lavalier pendant necklace rendered in fine 14K gold. The naturalistic pendant features four opal cabochons with good red fire and two full cut diamond accents. The chain is

13.26 Carat Oval Cabochon Black Opal, 2.26 Carat TW Eighteen Round Brilliant Cut Diamond and Platinum Ring. Opal with very good play of multi color. Diamonds E-F color, VVS-VS clarity. Stamped Pt900.

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

Antique Oval Cabochon Opal, Old European Cut Diamond and 14 Karat Yellow Gold Ring. Opal with good play of multi colors. Ring size 7-1/2. Approx. weight: 6.56 grams. Condition: Very good antique condi

18K 2.5 CT OPAL & DIAMOND PENDANT ON 18K CHAIN: 18K yellow gold pendant (tested) contains one cabochon cut semi-crystal opal. Orange bodycolor with blue/green pinfire play-of-color. WEIGHT: 3.40 Ct Ap

Fine diamond & opal pendant. Crafted of 18k white gold. Features a tear drop shaped cabochon of opal measuring 12mm x 8mm. The opal has excellent play of color with rich greens, blues, reds,and yellow

Two Vintage Cabochon Opal and 14 Karat Yellow Gold Rings, One with Small Diamond Accents. Opals with good play of multi colors. One stamped 585. Ring sizes 8, 8-1/4. Approx. total weight: 8.14 grams.

An Edna May opal and diamond pendant, c.1915, An Edna May opal and diamond pendant, c.1915, with an oval cabochon opal, with strong orange-red-green-blue play of colour, with a brilliant cut diamond m

3.5 carat natural Australian opal pendant. Measures 15x9 mm Cabochon cut Very nice clarity, beautiful play of colors. .46 carat natural round diamonds G color vs2 clarity 14 karat yellow gold. 2.8 gra

One Oval-shape, Cabochon-cut Austrailian black opal 159.70 Carats in weight. Intense blue very even play of color, very good finish\\\' no blemishes ,38mmX33mmX23mm, in 14K gold, 3.40 ct diamond.If in

An opal pendant. The tapered rectangular opal cabochon, with tapered surmount, suspended from an 18ct gold trace-link chain. AF. Chain with hallmarks for Sheffield. Length of pendant 2.9cms. Length of

Vintage Black Opal Mosaic Inlaid 14 Karat Yellow Gold Ring with Approx. .30 Carat TW Two Round Brilliant Cut Diamonds. Opals with good play of color. Diamonds F color, VS1-SI1 clarity. Stamped 14K. Ri

Vintage Black Opal Mosaic Inlaid 14 Karat Yellow Gold Ring with Approx. .65 Carat TW Four Round Brilliant Cut Diamonds. Opals with good play of color. Diamonds F color, VS1-VS2 clarity. Stamped 14K. R

OPAL, DIAMOND AND GREEN GARNET PENDANT/NECKLACE The oval opal cabochon with a brilliant-cut diamond and green garnet surround, lengths: pendant 3.0cm, chain 44.5cm For further information on this lot

Antique style opal ring. Crafted of solid 14k yellow gold. This ring features round and tear drop shaped opal cabochons. The opal has good play of color. The opals are prong set in a pierced filigree

Gold, Opal Doublet, and Diamond Pendantrectangular tablet inset with a freeform opal doublet (21.75 x 8.5 mm) and accented with a full cut round diamond melee weighing approximately .03 carat (H color

An opal and diamond dress ring. Of openwork design, the rectangular opal cabochon, with circular opal cabochon sides, to the brilliant-cut diamond surround and shoulders. Estimated total diamond weigh

4.75 Carat Oval Opal, .32 Carat TW Round Brilliant Cut Diamond and Platinum Ring. Opal with good play of multi color. Diamonds F-G color, VS clarity. Stamped Pt900. Ring size 6. Ring top measures 3/4"

4.14 Carat Oval Cut Ethiopian Opal, Diamond and 14 Karat White Gold Ring. Opal with good play of multi colors. Diamonds F-G color, VS clarity. Ring size 7. Approx. weight: 6.07 grams. Condition: Very