Black Opal and Diamond Cluster Ring, circa 1925

Art Deco black opal and diamond ring. Set with a marquise shaped cabochon natural unenhanced black opal in an open back claw setting with an approximat...

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...

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

Burmese sapphire and diamond cluster ring. Set to centre with a cushion shape old cut natural unenhanced Burmese sapphire in an open back rubover setting with an approximate weight o...

A stunning antique 7.20 carat black opal and 0.78 carat diamond, platinum cocktail ring; part of our diverse antique estate jewelry collections. This stunning, fine and impressive a...

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...

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...

GIA Certified 5 Carat + Black Opal with vibrant play-of-color takes center stage in this vintage 14K white gold ring, adorned with a dazzling halo of mixed cut diamonds. Details: It...