AN ONYX AND DIAMOND RING set with an octagonal polished onyx, accented by brilliant cut diamonds all

Men's 10kt yellow gold onyx and diamond ring featuring flush set black onyx, accented with channel set round brilliant cut diamonds weighing approx. 0.08ct.. Width 11mm. Finger size 10. Weight 7.1 gra

POMELLATO, A ONYX AND DIAMOND CAPRI RING in 18ct white gold, set with a faceted onyx, accented by round brilliant cut diamonds to the band, signed Pomellato, stamped 750, size M / 6, 6.6g.

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.

Diamond and Onyx Ring 14k yellow gold/sterling silver, the ring mounted with a central round brilliant-cut diamond weighing approximately 0.40 carats, set on a black onyx ground accented with smaller

A DIAMOND, ONYX AND EMERALD PANTHER PENDANT NECKLACE in 18ct white gold, designed as a panthers head, pave set with round brilliant cut diamonds accented by pear cut emeralds and polished onyx, suspen

Fabulous 14kt gold ruby, diamond & onyx ring. The ring features one (1), bezel set, oval cabochon ruby set in the center accented by a total of forty one (41), pave set, round brilliant cut diamonds a

AN AQUAMARINE AND DIAMOND RING in platinum, set with an octagonal step cut aquamarine accented by round brilliant cut diamonds, stamped PLAT, size N / 6.75, 4.2g. 

NO RESERVE - AN ONYX AND DIAMOND PENDANT NECKLACE comprising polished onyx set with four brilliant cut diamonds within two two-tone gold triangles, stamped 585, pendant 5.0cm, chain 50.0cm, 12.8g.

AN AQUAMARINE AND DIAMOND RING set with an octagonal step cut aquamarine of 10.60 carats, accented by trios of round brilliant cut diamonds, no assay marks, size L1/2 / 6, 5.1g.

A COLOMBIAN EMERALD AND DIAMOND RING in yellow gold, set with an octagonal cut emerald of 1.63 carats, accented by round brilliant cut diamonds, no assay marks, size T / 9, 10.3g. Accompanied by a gem

AN EMERALD AND DIAMOND RING the scalloped edged face set with an octagonal cut emerald, accented by a double border of round brilliant cut diamonds and calibre cut emeralds, stamped platinum, size N /

AN EMERALD AND DIAMOND PLAQUE RING the geometric face set with an octagonal step cut emerald of 0.56 carats, accented by round brilliant cut diamonds all totalling 1.6-1.8 carats, no assay marks, size

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal cut emerald of 8.02 carats, the band accented by baguette and round brilliant cut diamonds totalling 0.51 carats, stamped Pt950, size O /

METAL: 18K white gold GEMSTONE(S): faceted peridot approx. 2.00 carats; accented with onyx and round brilliant cut diamonds MEASUREMENTS: ring top 3/4 x 1 inch RING SIZE: 6 with a ring guard WEIGHT: 2

A SAPPHIRE AND DIAMOND RING set with an octagonal step cut sapphire of 0.62 carats accented on each side by a round brilliant cut diamond, no assay marks, size O / 7, 2.3g.

AN ONYX AND DIAMOND RING set with a round cut diamond within a carved tablet of onyx, the shoulders accented by further round cut diamonds, stamped 750 JP, size N / 6.75, 7.2g.

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

Set with onyx, 10 x 13 mm, surrounded by brilliant cut diamonds, total 0.30 Ct., ring size 18

Marked 14k gold ring channel set with onyx tablet and eight .02 carat each round brilliant cut diamonds. 1/4" wide. 4.7 total dwt/7.3 g. Size 10-1/2. Wear to onyx, light wear to ring. AJ/EK

CARTIER, A VINTAGE MULTIGEM TUTTI FRUTTI PLANT POT BROOCH, CIRCA 1990 in 18ct yellow gold, the pot set with polished onyx and round brilliant cut diamonds, the plant set with carved chrysoprase and ca

AN EMERALD AND DIAMOND RING in 18ct white gold, set with an octagonal cut emerald of 2.33 carats in a border of round brilliant cut diamonds, accented by foliate details set with further round brillia

METAL: platinum GEMSTONE(S): center round brilliant cut diamond approx. 0.65 carat, H-I/SI1; accented with round brilliant cut diamonds, carved coral and onyx MEASUREMENTS: ring top 1-1/4 x 3/4 inches

Opal, Diamond and Onyx Ring 14k white gold, the ring mounted with a pear-shaped cabochon-cut opal weighing approximately 2.45 carats, accented by baguette- and round brilliant-cut diamonds weighing ap

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