Jewellery, Watches and Objects of Vertu to include the personal archive of Louis Osman, goldsmith and architect

A Victorian diamond star brooch/pendant, the 12 rayed star set throughout with graduated old brilliant and rose-cut diamonds, mounted in gold and silver, with detachable brooch fitting, brooch length 36mm, principal old brilliant-cut diamond approximately 0.45 carats. £1000-1500