Platinum, Gold, Diamond and Black Onyx Dress Set

(4) Piece lot of jewelry crosses includes (3) 14k Gold crosses and (1) Platinum cross with diamonds. (2) Matching Victorian crosses are black onyx set on engraved 14k gold pin-backed mounts (larger cr

A pair of Tiffany & Co diamond and black onyx cufflinks set in platinum and 14K yellow gold. The four heads measure 18mm diameter and are each centered with one round brilliant cut diamond. Stamped Ti

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

AN ART DECO PLATINUM, GOLD, AND DIAMOND DRESS-SET Comprising a pair of cuff links and four shirt studs, centering old European and old mine-cut diamonds, with onyx and millegrain accents, platinum-top

Antique black opal cameo set atop onyx set in platinum and 18kt white gold with diamonds. Width 1 3/8;; total weight 7.5 grams Condition: Two tight fissures in onyx at 12 and 6, perhaps intentional

This authentic ring is by David Yurman from the Noblesse Collection. It is crafted from sterling silver and 18k yellow gold. The front center has a cushion shape black onyx set in a high yellow gold f

Collection of Black Onyx, Pearl, Mother-of-Pearl, Platinum-Topped, 14k Yellow Gold Gent's Items. Including a dress set comprising a pair of black onyx, platinum-topped, 14k yellow gold cufflinks with

A GROUP OF GOLD, ONYX, CORAL AND DIAMOND JEWELRY In a geometric design, including a 14K gold and platinum bracelet, set with black onyx, coral cabochons and round diamonds with an estimated weight of

Pendant in the form of cross measuring 80 mm x 53 mm (3 inch x 2 inch). Arms of cross are black onyx. 14k yellow gold caps in melon design on ends of cross. Platinum center section is set with 21 bril

Boxed tuxedo set of (8) Art Deco hexagonal black onyx, diamond, platinum and 9 ct white gold pair cufflinks, 4 buttons and 2 shirt studs, all with round full-cut center diamonds, total wt. approx .60c

Consisting of a pair of double cufflinks, together with three matching shirt studs, each featuring a concave onyx tablet centering one full-cut diamond set in platinum topped, 14k yellow gold mounti

Cartier. A fine and early lady's diamond and onyx set platinum and yellow gold manual wind wristwatch Date: Circa 1920 Movement: 19-jewel manual wind, adjusted to 8 positions Dial: White, black Roman

An Art-Deco black onyx bow brooch ca 1930's. 14k white gold double pin back and frame. Diamonds set in platinum weighing approximately three carats total weight including center marquise cut diamond.

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.

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

This 1980s jewelry set includes a pair of earrings and a thick ring. The ring is a size 6 1/2 and is 9mm wide. It has 10 very small diamonds, and what appears to be a small green stone, possibly emera

Platinum, Gold, Mother-of-Pearl and Diamond Dress Set Including pair of cufflinks, four buttons and three studs, 9 round diamonds ap. .60 ct., ap. 15.7 dwts. With fitted box signed Tiffany & Co., with

Artist/Designer; Manufacturer: unknown Marking(s); notes: no marking(s) apparent Country of origin; materials: country of origin unknown; 14k gold, lapis lazuli Dimensions (H, W, D): bracelet: 2.5"l,

14k white gold diamonds and carved black onyx set contain omega clasp with post earrings, pendant and chain. Total weight of set 12.8 grams. Length of chain 16". Length of earrings 1 1/2". Total weigh

Gentlemen's formal dress set, stamped Tiffany & 14K, comprising two cuff buttons, and three shirt studs, each centering small bezel set diamond, cuff buttons, each 1/2"d., total gross weight appx. 8.0

Designer Michael Bondanza Art Deco Style 18k Gold & Platinum, Black Onyx Bracelet & Earring Set. This set comes with Original jewelry Box, Receipt and Appraisal. Bracelet: 18k yellow gold and platinum

METAL: Platinum/ 14k Gold. MEASUREMENTS: Cufflink top - 13mm, in diameter, stud top - 13mm in diameter. GEMSTONES: Onyx, rose cut diamonds (a few stones are missing). TESTED: Plat top, 14k gold. WEIGH

Gent's Tiffany & Co. Black Onyx, 14k Yellow Gold Dress Set. Including one pair of black onyx ball form, 14k yellow gold cufflinks measuring approximately 11 mm together with four 14k yellow gold butto

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