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Among the rarest of gems, this black opal features intense red harlequin patterns

Daily Jewelry Designs ® Among the rarest of gems, this black opal features intense red harlequin patterns. Read more about this very rare gemstone…

18K WHITE GOLD, SAPPHIRE AND DIAMOND RING 1 sapphire and 184 diamonds approx 4.10 & 1.30 cts,

18K WHITE GOLD, SAPPHIRE AND DIAMOND RING 1 sapphire and 184 diamonds approx 4.10 & 1.30 cts,

A black opal and diamond ring

A black opal and diamond ring centering a cabochon black opal, surrounded by round brilliant-cut diamonds; opal weighing approximately: carats; mounted in eighteen karat bicolor gold;

AN ART DECO BLACK OPAL AND DIAMOND BROOCH -  Centering upon a bezel-set oval-shaped black opal, extending pierced single-cut diamond arched panels, with baguette-cut diamond geometric detail, mounted in platinum, circa 1925

AN ART DECO BLACK OPAL AND DIAMOND BROOCH - Centering upon a bezel-set oval-shaped black opal, extending pierced single-cut diamond arched panels, with baguette-cut diamond geometric detail, mounted in platinum, circa 1925

Antique Opal and Diamond Engagement Ring - 5ct Black Opal, 1.25ct Old mine cut diamonds - Marquise diamond and black opal ring - Art Deco on Etsy, $9,667.00

Antique Engagement Ring Opal And Diamond Engagement Ring 5ct Black Opal Ring Art Deco Marquise 1.25ct Old Cut Diamonds 18K Gold

Antique Engagement Ring Opal And Diamond Engagement Ring Black Opal Ring Art Deco Marquise Old Cut Diamonds Gold - jewelry

1stdibs | Spellbinding Lightning Ridge Black Opal Ring

Spellbinding Lightning Ridge Black Opal Ring

View this item and discover similar dome rings for sale at - Exceptional handmade platinum mount Australian Lightning Ridge black opal and diamond ring.

RUBELLITE AND DIAMOND RING.  Set with a cushion-shaped rubellite stated to weigh 22.21 carats, to a scalloped border and split shoulders set with brilliant-cut diamonds, size M ½.

RUBELLITE AND DIAMOND RING. Set with a cushion-shaped rubellite stated to weigh carats, to a scalloped border and split shoulders set with brilliant-cut diamonds, size M .

Edwardian platinum ring highlighting a 2.25 carat oval black opal cabochon dancing with blue and green play of color and wrapped in a double...

A beautiful original Edwardian platinum ring highlighting a carat oval black opal cabochon dancing with blue and green play of color and wrapped in a double border of bead-set European-cut diamonds carats total weight, F-H color, VS-SI clarity).

OPAL AND DIAMOND CLIP, CIRCA 1930

OPAL AND DIAMOND CLIP, CIRCA 1930 Set with an oval cabochon black opal weighing carats, within single-, circular- and brilliant-cut dia.

A Black Opal and Diamond Ring, Birks  Set with an oval black opal measuring 16.7 mm by 12.5 mm by 4.7 mm, surrounded by a decorative frame of round and marquise-cut diamonds, mounted in platinum, signed Birks

A Black Opal and Diamond Ring, Birks Set with an oval black opal measuring mm by mm by mm, surrounded by a decorative frame of round and marquise-cut diamonds, mounted in platinum, signed Birks

RUBELLITE AND DIAMOND RING.  The cushion-shaped rubellite weighing 14.80 carats, flanked by 2 pear-shaped rose-cut diamonds weighing approximately 1.10 carats, bordered by numerous small round diamonds weighing approximately 2.00 carats, mounted in platinum

RUBELLITE AND DIAMOND RING. The cushion-shaped rubellite weighing carats, flanked by 2 pear-shaped rose-cut diamonds weighing approximately carats, bordered by numerous small round diamonds weighing approximately carats, mounted in platinum

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