Jewellery, Objects of Vertu, Silver and Watches

An Art Deco emerald, diamond and pearl brooch, of rectangular form with canted corners, pierced throughout and set with old brilliant, single and rose-cut diamonds, with pearls to each corner and calibré-cut emerald highlights, mounted in platinum, (pearls untested), total diamond weight approximately 4.40 carats, length 5cm. £1,800-£2,600