An Onyx & Diamond Dress Set.

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

An Onyx & Diamond Dress Set. Set comprises a pair of cufflinks, a set of four shirt studs and a set of three smaller studs. 14 karat yellow and white gold mountings each contain cut onyx with inset be

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:

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

KREMENTZ & CO., ONYX AND DIAMOND DRESS SET Consisting of a pair of cufflinks containing four round onyx plaques and numerous single cut diamonds, together with two shirt studs containing two round ony

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 DIAMOND AND ONYX DRESS RING set with an old European cut diamond of 4.46 carats in a calibre cut onyx border, further accented by a border of old cut diamonds, no assay marks, size R / 8, 6.1g.

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

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

Assembled Mens Dress Set Comprising a pair of onyx, gold and diamond cufflinks, three 14k gold and onyx buttons, marked '14k', and four 14k gold, onyx and diamond buttons, marked '14k'. 11.7 dwts.

NO RESERVE, GAVELLO, ONXY AND DIAMOND DRESS RING, set with an onyx and diamonds on the 4 corners totalling ca. 1 ct. Signed Gavello. Size I. 24.6 grams.

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.

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

Vintage Omega De Ville dress watch in 18k yellow gold, with manual winding 17 jewel caliber 625 movement - the bezel set with small diamonds and onyx. Marked Omega on clasp, dial, and movement; case b

An 18ct gold dress ring. Designed as an oval onyx and pink hardstone articulated panel, with floral accent overlay and pave-set diamond shoulders. Signed Harpos. Estimated total diamond weight 0.60ct.

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

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

YELLOW GOLD AND ONYX DRESS SET Consisting of a pair of cufflinks and four shirt studs. 18 karat yellow gold. Cufflinks: 5/8 inch wide. Studs: 1/2 inch wide.  Cufflinks stamp: 750 (Italian hallmar

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

Pair of Gucci Eighteen-Karat Yellow Gold and Diamond Cufflinks and Studs, the angular "U"-shaped cufflinks each set with fifteen single-cut diamonds, with three matching studs, each set with twelve si

YELLOW GOLD AND DIAMOND DRESS SET Consisting of a pair of cufflinks and four shirt studs containing 10 round brilliant cut diamonds weighing approximately 0.90 carat total. Cufflinks: 3/4 inch wide. S

A gentleman's diamond dress set, comprising a pair of cufflinks and two dress studs. Estimated total diamond weight 0.30ct, H-J colour, SI clarity. Diameter of cufflink faces 1.6cms. Diameter of dress

comprising one pair 14 karat gold and black onyx cufflinks; a group of four 14 karat gold and black onyx studs (13.80 mm. each in diameter); a group of three 14 karat gold and black onyx studs (8.10 m