AN ONYX AND DIAMOND RING Polished onyx Circular-cut

A fourteen karat gold, onyx, and diamond ring centering a circular-cut faceted onyx measuring approximately 13.5mm in diameter, surrounded by circular-cut diamonds; estimated total diamond weight: 1.0

AN ONYX DIAMOND DRESS RING in Art Deco design, comprising a polished onyx tablet, inlaid with three old cut diamonds, the shoulders accented with further old cut diamonds, the diamonds all totalling 0

AN ONYX DIAMOND DRESS RING in Art Deco design, comprising a polished onyx tablet, inlaid with three old cut diamonds, the shoulders accented with further old cut diamonds, the diamonds all totalling 0

ONYX AND DIAMOND RING in yellow gold, comprising of a central polished onyx cabochon in a border of round cut diamonds, British hallmarks for gold, size O / 7, 2.3g.

FRED PARIS, AN ONYX AND DIAMOND DRESS RINGThe central diagonal row of brilliant cut diamonds between shaped polished onyx panels, approximately 0.20 carats total, the shank signed Fred Paris, with Fre

This is a certified and appraised 18 karat white gold, genuine tanzanite, polished black onyx, and natural diamond ring.  The 6.73 carat cushion-cut tanzanite is nestled in a halo of .86 carats r

Gold, Mabé Pearl, Diamond, and Onyx Ringring centering on a bezel set round mabè pearl (13.3mm) framed by the circular mount set with full cut round diamond melee weighing approximately .08 tota

AN ART DECO DIAMOND AND ONYX RING in 18ct gold, the central 0.23 carat round cut diamond set against a polished black onyx background, encircled by round cut diamonds, French assay marks, size L / 6,

Unusual Black Onyx and Diamond Ring 14k white gold, the ring topped with a polished undulating black onyx incised with a row of round brilliant-cut diamonds weighing approximately 0.50 carats in total

David Yurman sterling silver Wheaton set with faceted polished oval Onyx and twenty round brilliant cut diamonds. Ring size 8 1/2. Overall weight 18.9 grams.

A RUBY, DIAMOND, EMERALD AND ONYX PANTHER PENDANT NECKLACE in platinum, the chain set with alternating round cut diamonds and cabochon rubies, suspending a circular polished onyx and leopard set with

A PAIR OF ONYX AND DIAMOND STUD EARRINGS each formed of a circular piece of polished onyx set at the centre with an old cut diamond, unmarked, 0.9cm, 2.2g.

AN ANTIQUE DIAMOND AND ONYX DRESS RING in yellow gold, the face set with a stylised polished piece of black onyx, with applied cluster of rose cut diamonds, unmarked, size P / 7.75, 11.7g.

A pair of onyx and diamond cufflinks. Each designed as a square and circular-shape onyx panel, with polished surround and single-cut diamond accent. Length of cufflink face 1.1cms. Weight 6.7gms. Over

Ring. Signed Ritz 14kt yellow gold ring with central polished oval form openwork onyx pendant with applied 14kt white gold globe with single cut diamond inlay throughout. Stamped, "585 Ritz 14K&q

A PAIR OF ANTIQUE ONYX AND DIAMOND DROP EARRINGS, EARLY 20TH CENTURY in yellow gold, of circular design, set with polished black onyx cabochons overlaid with floral motifs, set with rose cut diamonds,

This is a gorgeous ring by Charles Krypell, it is crafted from sterling silver with 18k yellow gold in a polished finish. The top has an oval dome shape set with an oval faceted cut black onyx gemston

VAN CLEEF & ARPELS 18KT YELLOW GOLD, DIAMOND AND ONYX RING Approx. 4.78 total dwt. (No Reserve*) Central cluster of 18 brilliant-cut diamonds, approx. 0.53 carats total weight, flanked by polished bla

Polished and round cut, bezel and prong set, 7.5g, size 12

Three gold rings, the first in 14k white gold with eight straight baguette-cut diamonds, 20 circular diamonds approximately 1.20 carats total, emerald approximately 0.60 carats, and onyx stones size 9

Beautiful 14kt yellow gold, design cut Onyx diamond ring, size 7, 2.8 grams, 1.8 dwt.

David Yurman Sterling Silver, Onyx and Diamond Ring, faceted squared onyx with 8 small cut diamonds on each side, on rope twist band. Stamped D.Y. .925. Total Approximate Weight: 10.44 g. Approximate

David Yurman Sterling, Onyx and Diamond Ring, faceted onyx with 10 small round cut diamonds to each side, on rope twist band. Stamped D.Y. .925 Total Approximate Weight: 5.22 g. Approximate Ring Size

A 10K yellow gold ring set with a round black onyx cabochon of approximately 2.5 carats, flanked on each side with two single cut diamonds. Ring size 9. Together with a pair of black onyx cabochon ear