1950s Black Onyx and 1.68 Carat Diamond White Gold Cocktail Ring

A stunning, fine and impressive, large vintage 5.22 carat black onyx and 3.64 carat diamond, 18 karat white gold cocktail ring; part of our diverse vintage jewellery and estate jewelry collections. This stunning, fine and impressive vintage ring has been crafted in 18k white gold The Art Deco style frame is ornamented with a feature collet set 0.42ct transitional modern brilliant round cut diamond, encircled by an impressive 5.22ct oval black onyx panel. The onyx panel is framed by a border of twenty transitional modern brilliant round cut diamonds, totalling 3.22 carats. The elevated ring shoulders blend seamlessly with the plain hallmarked ring shank via a subtle cuff design. This vintage onyx and diamond ring...

A fine and impressive, antique 5.10 carat black onyx and 0.18 carat diamond, 14 karat white gold cocktail ring; part of our diverse onyx jewelry collections. This stunning, fine and impressive antique onyx and diamond ring...

A stunning, fine and impressive, antique Art Deco 2.20 carat onyx and 0.50 carat diamond, platinum ring; part of our diverse collection of onyx jewelry. This stunning, fine and impressive vintage onyx and diamond ring has been crafted in platinum. The oval shaped frame is ornamented with three millegrain decorated collet set baguette cut black onyx, totalling 2.20ct, set vertically in a central stepped formation. The central Art Deco design is encompassed with twenty-four pavé set eight cut diamonds, totalling 0.50ct. The twist style ring shoulders integrate with the diamond border and meld seamlessly with the plain hallmarked ring shank. This desirable vintage onyx and diamond ring is hallmarked to the interior of the shank with the maker's mark (Oscar Caplan) and a platinum mark; the ring has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum. This impressive cocktail ring is supplied with an IDGL diamond and gemstone grading report card. This vintage onyx ring...

A stunning, fine and impressive antique 0.80 carat black onyx and 0.46 carat diamond, 18 karat yellow gold and platinum set Art Deco cocktail ring; part of our diverse antique jewell...

Art Deco 4.35 Carats Diamond Onyx Ring, 1930 A magnificent Art Deco masterpiece crafted in Europe circa 1930, featuring a bold geometric design and exceptional craftsmanship. This s...

This magnificent vintage cocktail ring is crafted in solid 18k white gold and features a large black onyx solitaire with very fine diamond accents throughout. The bold round cabochon...

A platinum square ring retro ring set with in a square a large old cut diamond in the centre, (0.7 karaat G, VS), surrounded by square border set with 18 brilliant cut diamonds (18 ...

With elegant filigree setting, a black onyx center is elevated on this lovely Art Deco white gold ring. The oval shaped onyx is beautifully embellished with a diamond that sparkles f...