Antique Black Opal and Diamond Ring - - Lang Antiques. An entrancing elongated oval black opal displaying a full color palette: green, blue, yellow. orange and red, is elegantly presented in an Edwardian-era platinum and diamond mounting - circa
An Antique Crystal Black Opal and Diamond Ring, circa 1920 Centering an oval Crystal Black Opal measuring mm by mm by mm, surrounded by old mine-cut Diamonds totalling approx carats, mounted in platinum and white gold♥
This unique and striking Art Deco ring, circa is a work of jewelry art in purple and white - amethyst and diamonds that is. The lozenge shape top is set with a pair of trapezoidal amethysts bisected with a sparkling row of tiny single-cut diamonds
Art Deco Opal & Diamond Ring, circa 1925 Once-in-a-Lifetime Art Deco Opal and Diamond Plaque Ring. Outstanding art deco plaque ring, with an approximately 4 carat black opal, enhanced by a stylized frame of 1 carat of diamonds, set in platinum.
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