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

A pair of jade and diamond earstuds, the round jadeite cabochons collet set in yellow precious metal, within a textured white precious metal cluster surround set with brilliant-cut diamonds, to stud fittings, (jade untested for treatment or enhancements), earstud diameter 18mm. £700-900