MARGHERITA BURGENER An Onyx and Diamond Dress

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

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 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 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

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

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

A gentleman's onyx and diamond dress ring. The rectangular-shape black onyx panel, with brilliant-cut diamond highlight, to the floral embossed shoulders and tapered band. Ring size Q. Weight 31.3gms.

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

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

An onyx and diamond dress ring. The cushion-shape onyx panel, with old-cut diamond highlight, to the textured surround and tapered shoulders with engraved detail. Weight 6.5gms.

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.

A diamond and onyx dress ring. The baguette-cut diamond line crossover terminals, with onyx spike detail. Estimated total diamond weight 1.25cts. Ring size N. Weight 5.8gms.

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 cultured pearl, diamond and onyx dress ring. The cultured pearl, measuring 13.6mms, with brilliant-cut diamond surround and onyx cabochon sides, intersected by a similarly-cut diamond line. Estimate

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

Hammerman Brothers 14K gold, diamond and onyx dress set comprising a pair of cufflinks and four shirt studs, with 6 round brilliant cut diamonds totaling approx. .65 ct., total 19.5 grams. One shirt s

A vari-cut diamond and onyx geometric dress ring.Estimated total diamond weight 0.45ct, G-I colour, VS2-P1 clarity.Stamped 950. Ring size M1/2. 5.1gms.

Gentleman's black onyx, diamond, 14k yellow and white gold dress set featuring a pair of black onyx, diamond cuff links, two matching shirt studs and a matching tie tac. Total diamond weight is approx

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

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.

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