AN ART DECO BLACK OPAL, RUBY AND DIAMOND BROOCH, CIRCA 1935. The brooch set with an oblong opal weighing approximately 10.00 carats, to a stylised surround set with circular-cut diamonds, highlighted by square rubies, the diamonds together weighing approximately 1.50 carats, mounted in platinum. #ArtDeco #brooch

AN ART DECO BLACK OPAL, RUBY AND DIAMOND BROOCH, CIRCA 1935. The brooch set with an oblong opal weighing approximately 10.00 carats, to a stylised surround set with circular-cut diamonds, highlighted by square rubies, the diamonds together weighing approximately 1.50 carats, mounted in platinum. #ArtDeco #brooch

MARCUS & CO. BLACK OPAL, DIAMOND PLATINUM RING  Oval Australian black opal cabochon, 22.9 x 14 x 4.77 mm., 8.87 cts. by formula, red-orange/blue-green spectral play-of-color, in Art Deco platinum setting, diamond shoulders. Marked Marcus. Size 5 1/2. 5.0 dwt. In Marcus box. Probable gem source: Lightning Ridge. Companion to lots 2534 and 2535.

MARCUS & CO. BLACK OPAL, DIAMOND PLATINUM RING Oval Australian black opal cabochon, 22.9 x 14 x 4.77 mm., 8.87 cts. by formula, red-orange/blue-green spectral play-of-color, in Art Deco platinum setting, diamond shoulders. Marked Marcus. Size 5 1/2. 5.0 dwt. In Marcus box. Probable gem source: Lightning Ridge. Companion to lots 2534 and 2535.

Edwardian Black Opal, Demantoid Garnet, and Diamond Pendant, bezel-set with an opal tablet measuring approx. 16.45 x 11.80 x 2.17 mm, framed by demantoid garnets, old single, and old European-cut diamond melee, seed pearl bail, platinum-topped gold mount, lg. 1 3/4 in.

Edwardian Black Opal, Demantoid Garnet, and Diamond Pendant, bezel-set with an opal tablet measuring approx. 16.45 x 11.80 x 2.17 mm, framed by demantoid garnets, old single, and old European-cut diamond melee, seed pearl bail, platinum-topped gold mount, lg. 1 3/4 in.

Large Irregular Black Opal surrounded by Gem Sandawanna Emeralds and Pailin Sapphires set in 18k Yellow Gold, a True One of a Kind

Large Irregular Black Opal surrounded by Gem Sandawanna Emeralds and Pailin Sapphires set in 18k Yellow Gold, a True One of a Kind

Shop Engagement Rings, Fine Jewelry, and Swiss Watches by the Top Designers! We serve Ventura, Santa Barbara, Ojai, Oxnard, Westlake. http://www.jewelrycouture.com/Zeghani-Engagement-Rings/37700002/EN

Shop Engagement Rings, Fine Jewelry, and Swiss Watches by the Top Designers! We serve Ventura, Santa Barbara, Ojai, Oxnard, Westlake. http://www.jewelrycouture.com/Zeghani-Engagement-Rings/37700002/EN

Opal Ring, Sterling Silver Ring, Welo Opal Ring, Peach Green Fire, Ethiopian Opal Ring, Natural Stone, Mined in Ethiopia by JanesGemCreations on Etsy https://www.etsy.com/listing/187618017/opal-ring-sterling-silver-ring-welo-opal

Opal Ring, Sterling Silver Ring, Welo Opal Ring, Peach Green Fire, Ethiopian Opal Ring, Natural Gems, Blue Zircons

Opal Ring, Sterling Silver Ring, Welo Opal Ring, Peach Green Fire, Ethiopian Opal Ring, Natural Stone, Mined in Ethiopia by JanesGemCreations on Etsy https://www.etsy.com/listing/187618017/opal-ring-sterling-silver-ring-welo-opal

NATURAL BLACK OPAL & DIAMOND - absolutely obsessed with opal…would take this as my wedding ring I'd definitely take this!

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