Jewellery, Watches and Objects of Vertu

A French Art Deco diamond brooch, circa 1930, the openwork plaque of geometric design, set throughout with cushion-shaped, old brilliant and rose-cut diamonds, mounted in platinum, French assay marks, partial maker’s marks, principal diamond weight approximately 1.10 carats, remaining total diamond weight approximately 2.50 carats, length 45mm. £1,500-£2,000