Art Deco Black Opal and Diamond Ring, circa 1920

Black opal solitaire ring. Set with an oval cabochon natural black opal in an open back claw setting with an approximate weight of 9.70 carats, to an impressive solitaire design feat...

Black opal and diamond cluster ring. Set to centre with an oval cabochon natural black opal in an open back claw setting with an approximate weight of 13.00 carats, flanked by two re...

Vintage opal and diamond ring. Set with one oval cabochon natural white opal in an open back four claw setting with an approximate weight...

Art Deco natural Ceylon cabochon sapphire and diamond ring. Set with an oval cabochon natural unenhanced Ceylon sapphire with an approximate weight of ...

Beautiful Antique Art Deco Platinum J. E. Caldwell Natural Black Opal and Diamond Ring. This unbelievable Art Deco J. E. Caldwell black opal ring is crafted in platinum. This ring fe...

An art deco ring with Australian opal. Exceptionally beautiful ring, created during the iconic period of the art deco, back in the 1930. This colorful ring personify the deco period...

A stunning antique 1930s 3.83 Ct black opal and 1.15 Ct diamond, platinum cocktail ring; part of our diverse antique jewelry and estate jewelry collections. This stunning, fine and impressive black opal ring with diamond has been crafted in platinum. The pierced decorated, signet style design is ornamented with a feature 3.83Ct black opal panel, bezel set to the center of the design. The opal is flanked on either side by a total of four bezel set baguette cut diamonds. A further fifty pavé set diamonds in a combination of transitional modern brilliant round cuts and eight-cuts embellish the design. The flared, trifurcated ring shoulders integrate with the main setting and amalgamate to form the plain, substantial ring shank. This stunning antique black opal ring...

GIA Certified vintage 5.83 carat black opal and diamond halo ballerina ring in platinum 900. Featuring a center stone that is absolutely captivating, bearing tremendous color, luster...