Art Deco Onyx and Diamond Dress Set

18 kt gold Art Deco onyx-diamond-ring, approx. 1920, oval ring head onyx, centered 1 old cut diamond approx. 0.40 ct ring shoulders in platinum with small diamond roses. Size 7 1/4 W...

Realistically designed as horse heads with diamond eyes. Snap closure, mounted in 18Kt yellow gold

Centering old mine-cut diamonds to scalloped shaped black onyx sides, mounted in platinum, circa 1920 Size 7

The oval shaped flat onyx inset with a collet set principal round old cut diamond, approximately 1ct. Length of head 1.7cm x 1.2cm The setting is in platinum with geometric motif eng...

A French, Art Deco, black onyx, diamond, frosted rock crystal and gold dress-set, by Georges Thibault, with flat circular black onyx centres, surrounded by rose-cut diamonds, in plat...

An Art Deco black onyx and diamond dress-set, comprising cufflinks, buttons and collar studs, set with baguette-cut diamonds in the centre, on a rectangle of black onyx, with a row o...

A black onyx and diamond dress set by Weingrill, mounted in 18ct yellow gold, set with black onyx and a diamond in each plate, in a square shape with cut corners. Signed Weingrill. P...

A fine and impressive pair of Art Deco black onyx and 0.33 carat diamond, 18 karat white gold cufflinks; part of our diverse antique jewelry collections. These fine and impressive antique onyx and diamond cufflinks have been crafted in 18k white gold. Each Art Deco design link is composed of a circular cabochon black onyx panel. The onyx panels are each inlaid with a central white gold linear setting, each embellished with ten pavé set mine cut diamonds and a subtle millegrain decoration to the borders. Each cufflink is ornamented with a pierced decorated white gold panel to the reverse, featuring a ring loop to the center and articulating via a long waisted oval connector link. These antique cufflinks have been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18k gold. The cufflinks are supplied with an independent diamond grading report card. Condition These impressive antique Art Deco cufflinks...