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

A jadeite and diamond pendant, the rectangular jadeite panel pierced carved to depict birds and foliage, claw set with brilliant-cut diamond set mount to top and bottom, mounted in yellow and white precious metal, (jadeite untested for treatment or enhancement), pendant length 40mm. £200-300