Jewellery, Watches and Objects of Vertu

A pearl and diamond bar brooch, circa 1915, set with an old brilliant-cut diamond within a pierced surround of lozenge design, millegrain set with single and rose-cut diamonds and two bouton-shaped pearls, mounted in platinum and gold, pearls untested, principal diamond approximately 0.55 carat, length 6.2cm. £1,000-£1,200