Antique Pearl Diamond and Silver Upon Gold Brooch...
A Victorian pearl and diamond brooch-cum-pendant, with a natural bouton pearl in the centre of a cluster of old-cut diamonds, with a surround of...
Onyx is the parallel banded form of chalcedony. Black onyx was a beloved gem material during the Art Deco era and was commonly used to create bold and geometric colour contrasts.
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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...
An Art Deco butterfly choker, by Spaulding & Co, with a central butterfly, with open wings, flanked by two butterflies, with closed wings, on...
A French Art Deco diamond, coral, black onyx and platinum brooch, with an open, circular centre, set with buff top black onyx, in a channel...
A pair of Art Deco, coral, black onyx and diamond cufflinks, with a diamond set in the centre of three, diagonally set, black onyx squares in a...
A carved rock crystal and black onyx rondelle bead necklace, sixty-one carved rock crystal beads measuring approximately 13-14mm each, separated by...
A carved rock crystal bead necklace, with black onyx rondelles, with an 18ct white gold pavé set black and white diamond ball clasp. Length...
A pair of French, Art Deco, black onyx and ruby cufflinks, mounted in platinum, with square-cut rubies, in heavy, platinum, square settings, within...
A French, Art Deco, black onyx, diamond, frosted rock crystal and gold dress-set, by Georges Thibault, with flat circular black onyx centres,...
A frosted rainbow moonstone and black onyx dress-set, comprising of a pair of cufflinks and three studs, with rub-over set diamonds in the centres,...
A pair of Jean Schlumberger for Tiffany & Co. black onyx and turquoise cufflinks, with turquoise studded black onyx spheres, on 18ct gold,...
A pair of modern black onyx, rock crystal and diamond cufflinks, with a round brilliant-cut diamond set in the centre, in a rub over setting,...
A vintage Weingrill black onyx and diamond dress-set, set with black onyx and a diamond in each plate, in a square shape with cut corners, mounted...