Mid-Century Onyx Diamond 18 Karat White Gold Vintage Bypass Ring

Centering an old European cut diamond weighing approximately 0.40 carat - H color with VS2 clarity. Bezel set with a pierced shield shaped surround with additional diamonds bead set throughout. Weighing approximately 0.56 carat total - well matched to center. Accented by calibré cut onyx cabochons channel set at cardinal points. Opaque glossy black in color. With engraved scroll motif shoulders. Stamped for platinum. Fully signed Tiffany & Co.. Circa: 1930's. Ring size: 6 and sizable. Measures North to South 11.0 mm and sits 5.0 mm high. Total weight: 4.2 grams. Stock Number: We-11007 Make a dazzling statement with this Tiffany & Co. Art Deco dinner ring...

Designed as a pierced geometric motif with central gap Accented by raised squared off platinum terminals Bead set with round brilliant cut diamonds Weighing approximately 0.75 carat ...

Centering a marquise shaped jade cabochon measuring 6.0 x 18.0 mm Translucent medium green with light mottling - set with split prongs Accented by a halo surround of round brilliant ...

Centering an oval-shaped cat's eye chrysoberyl cabochon measuring 10.1 x 9.6 mm Yellowish green with linear chatoyancy and milk & honey effect - bezel set Flanked by tapered baguett...

Onyx dome ring with three stripes of marcasite set on a sterling silver band. US size 4.5. Marked: 925 HL. Age wear, tiny onyx chip on edge by band.

Ring in platinum. A delightful Art Deco antique ring, its rectangular setting features a closed-set onyx holding a brilliant-cut antique diamond. The setting is adorned with 2 lines ...

Onyx and Diamond on White Gold Ring. Italian Contemporary work.

1926 14K White Gold Black Onyx and Diamond Ring Bold meets brilliant in this 14K white gold ring. A sleek black Onyx commands attention, accented by a sparkling diamond that catches...