Cartier: An Art Deco onyx and diamond brooch
circa 1920
Estimate: £5,000 - £7,000
Auction: 29 April 2025 from 14:00 BST
Description
Centrally set with a pyramidal-cut onyx, within an openwork geometric plaque set with single-cut diamonds, accented at the cardinal points with square step-cut diamonds, millegrain detail throughout, diamonds approx. 0.95 carat total, signed Cartier Paris Londres, numbered, French assay mark, length 2.6cm
Accompanied by a Cartier case.