Jewellery, Objects of Vertu, Silver and Watches

An Art Deco sapphire and diamond ring, French, the cushion-shaped panel set with calibré-cut sapphires, old brilliant and single-cut diamonds, between fleur-de-lys shoulders, mounted in platinum, partial maker’s mark, French assay mark, total diamond weight approximately 0.65 carat, ring size M - N. £1,000-£1,500