Unmounted black opal

Unmounted Black Opal. The unmounted freeform black opal measuring approximately 21 x 14 mm and weighing approximately 10.0 cts.

Unmounted black opalfeaturing one round black opal cabochon displaying broad flashes of dark blue to red play of color, measuring approximately 12.50 x 12.56 x 6.98 mm and weighs 7.03 cts. Note: Opal

With river pearl, coral, lapis, turquoise, amber, onyx, tiger's eye, painted wood, glass or silver beads, etc. Includes unmounted white or black opals, amethysts and multi-hue citrines.

A Collection of Unmounted Opals. Comprising a black opal, boulder opals and Australian opals. Together with an opal tie tack in a goldfilled mounting

Collection of unmounted stones, synthetic stones and imitation stones Including 2) opal cabochons; 2) black onyx cabochons; 2) rhodonite cabochons; 3) calcite cabochons; 2) jade cabochons; 3) imitatio

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

A Platinum, Black Opal and Diamond Pendant, containing one oval cabochon cut black opal measuring approximately 29.00 x 21.00 x 8.84 mm and 52 round brilliant cut diamonds weighing approximately 5.00

Arts and Crafts Black Opal, Diamond, Enamel, Gold Necklace, Marcus & Co. The necklace

An Art Deco single stone black opal ring, An Art Deco single stone black opal ring, with diamond set shoulders. A circular tallow cabochon cut black opal, milligrain set to each shoulder, to a ridged

mens limited edition 18 karat gold 36 mm in diameter opal dial design by mira pars

Piaget 18k White Gold Black Opal Dial with Diamond Set Bezel Ladies Reference 9329A66 Case Serial 206872. 28mm including bezel. Adjustable mesh bracelet in 18k white gold measures 6 inches. Winds, set

DESCRIPTION: An antique black opal pendant necklace. Features a 16-18 Carat Opal, further completed with diamond set platinum bow in a 14kt yellow gold setting. Complete with a 14kt yellow gold box ch

RAYMOND YARD, BLACK OPAL AND DIAMOND RING Containing one freeform black opal measuring approximately 15.50 x 11.30 mm, two marquise and six round brilliant cut diamonds weighing approximately 0.55 car

18 karat yellow gold ring with one oval cabochon semi-Black Opal with gray background that weighs 15-1/2 carats. 41 round full cut diamonds at 0.84 NEIMAN MARCUS. Appraised Fair Market Value (FMV) is

White Gold, Black Opal and Diamond Pendant with Chain and Ring 14 kt., 2 oval opals ap. 51.75 and 9.70 cts., round diamonds ap. 4.65 cts., signed ADG, ap. 33 dwts. gross. Length 18 inches. Size 7. C P

Arts and Crafts Black Opal, Diamond, Enamel, Gold Necklace, Marcus & Co. The necklace

Fine Australian Black Opal & Diamond Pendant in 14K Yellow Gold includes 14K Gold Chain 11.25ctw * (estimate/approximately)

ANTIQUE BLACK OPAL AND DIAMOND RING, EARLY 20TH CENTURY mounted in yellow gold, claw-set with an oval black opal measuring 14.8 x 10.5mm,and weighing approximately 3.36 caarts, within a border of circ

DESCRIPTION: An Antique beaded necklace comprised of Australian black opal, graduating in size, alternating with 18k yellow gold spacers and closure. Approx. 326 carats CIRCA: Early-Mid 20th Century O

18.5mm Black Opal Slate, 1.00ctw VS1-VS2/F-G Diamond & Solid Platinum Cocktail Ring W/Emerald Accents - This beautiful ring was finely crafted of solid platinum, and boasts a lovely, 18.5mm black opal

BLACK OPAL AND DIAMOND RING Containing one oval cabochon black opal measuring approximately 23.00 x 15.00 x 6.45 mm and 34 transitional and single cut diamonds weighing approximately 0.65 carat total.

Stunning Art Nouveau Black Opal Diamond and Demantoid Garnet Necklace 14K Gold. Articulated pendent supporting two fancy-cut black opals, accented by old mine-cut diamonds and demantoid garnets. &bull

BLACK OPAL AND DIAMOND RING Containing one opal measuring approximately 15.60 x 10.85 x 5.45 mm, six marquise and 14 round brilliant cut diamonds weighing approximately 2.20 carats total. Mounted in b

Art Deco Platinum Black Opal & Diamond Pendant. It features a drop design centrally set with a massive pear shaped black opal. It exhibits a harlequin peacock play-of-color and measures 31.00mm x 21.0