AN ONYX AND DIAMOND DRESS RING comprising a polished onyx set with a round brilliant cut diamond in

AN ONYX AND DIAMOND DRESS SET in platinum and 9ct yellow gold, comprising four buttons, a pair of cufflinks and a pair of studs in octagonal form, each set with polished onyx with a round cut diamond

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.

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.

A flower motif with onyx petals and a 0.75 carat center bezel set round brilliant cut diamond. Clarity VS1, Color J-K. Gold beads are placed between the onyx petals and one is missing. Ring size 7 and

One gents diamond & onyx ring. The ring features three (3), channel set, round brilliant cut diamonds set in a diagonal center row with one (1), bezel set, section of onyx on either side. The diamonds

Vintage 18kt gold diamond & onyx fashion ring. The ring features a total of fifty-five (55), pave set, round brilliant cut diamonds (one missing) and a carved onyx set in the center. The ring has an i

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

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

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

BULGARI, A PAIR OF DIAMOND AND ONYX ELISIA EARRINGS in 18ct white gold, set with round brilliant cut diamonds and polished onyx, the diamonds all totalling 1.3-1.4 carats, signed Bvlgari, Italian assa

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.

Crafted in 18K gold; set with eight round brilliant-cut diamonds weighing a total of approximately 0.80 carat, most with F-G color and VS clarity; ring size 6, ring top measures 5/8 inch by 1 inch, wi

YELLOW GOLD, ONYX AND DIAMOND DRESS SET Consisting of a pair of cufflinks containing four round onyx plaques and two round brilliant cut diamonds, together with three matching shirt studs containing t

TIFFANY & CO., ONYX AND DIAMOND DRESS SET Consisting of a pair of cufflinks and three shirt studs containing round onyx plaques with a round brilliant cut diamond center. 1/2 and 3/8 inch wide. Stamp:

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

Vintage Pave Set Round Brilliant Cut Diamond, Black Onyx and 14 Karat Yellow Gold Bow Ring. Ring size 7. Approx. weight: 14.7 grams. Condition: Good vintage condition, typical surface wear. Estimate:

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

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

AN ONYX AND DIAMOND DRESS RING The onyx stripes alternating with rows of brilliant-cut diamonds, each side terminating in a similarly-set plaque with calibré-cut diamond highlights, mounted in 18

A large black onyx center stone (approx 10mm) that is surrounded by 26 round brilliant cut diamonds (approx .75 ctw). It is set in 14K yellow gold and has an expandable spring engaged band that easily

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

Onyx and Diamond Tuxedo Dress Set 18k yellow gold, the set mounted with carved onyx "knots" mounted with round brilliant-cut diamonds weighing approximately 0.43 carats in total. cufflink l. 9/16", to

A PAIR OF ONYX AND DIAMOND DROP EARRINGS in yellow gold and silver, each comprising a row of round cut diamonds suspending a polished onyx set with a round cut diamond, in a border of further round cu