Art Deco Style Onyx 0.53 Round Cut White Diamonds 18 Karat White Gold Ring

Vintage ring in 18k white gold structure with an onyx base and flowery decoration in white gold studded with diamonds on the top. The origin of this ring dates probably back to the 1...

An Old European-cut diamond weighing approximately 0.10 carats, F-G color VS clarity, sparkles in the corner of a rectangular onyx plaque measuring 18x10mm, accented with fleur de li...

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...

Striking Art Deco–inspired ring, centered with a brilliant round-cut diamond that radiates timeless sparkle. The centerpiece is surrounded by a bold rectangular frame of polished bla...

A stunning, fine and impressive, vintage 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...

Classic contemporary ring, with a diamonds flower design that's embellished a onyx hexagon. All is mounted in 18 Kt white gold. Ring Size: ITA 14 - French 54 - US 6.5 - UK N Tot weig...

Crafted with meticulous attention to detail, this ring showcases the artistry typical of the Art Deco era, combining geometric shapes with luxurious materials. At the heart of this s...

Art Deco Diamond and Black Onyx Ring Description: This Art Deco ring features a round brilliant diamond framed by a bold black onyx surround, creating a striking contrast that is em...

This is an Art Deco 14K white gold, diamond and onyx cocktail ring. It depicts a rectangular black onyx top in white gold bezel setting. The onyx has a reeded gold frame. A round cut...

A fine and impressive vintage black onyx and 1.68 carat diamond, 18 karat white gold cocktail ring; part of our diverse vintage jewelry collections. This fine and impressive black o...