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

A pair of pink sapphire and diamond cluster earstuds, each with central oval mixed-cut pink sapphire, claw mounted, within surround of brilliant-cut diamonds, on post fittings, 18ct yellow gold mounted, with butterfuly fittings stamped ‘750’, diameter of earstuds 8mm. £600-800