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

A diamond set bracelet, the central round domed link with pierced geometric detail, set throughout with graduated old brilliant and rose-cut diamonds to principal central old brilliant, between old brilliant-cut diamond set link shoulders, to expanding link bracelet strap, mounted in gold and silver, principal diamond approximately 1.1 carats, bracelet length 14.5cm (unexpanded). £1500-2000