1920s diamond bracelet/brooch with three navette shaped openwork plaques with old cut and rose cut diamonds in platinum millegrain setting, on a platinum and gold detachable double-bar bracelet, the central section designed to also be worn as a brooch, the original fitted leather case containing the original brooch conversion fitting and screwdriver. Retailed by 'Stewart Dawson &pany Ltd, Regent Street, W.' Length approximately 16.5cm excluding the extra link.