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

A 1950s spray diamond set brooch and ear clips ensuite, of arched foliate design, with ribbon tie detail, set throughout with marquise-cut, pear-cut, brilliant-cut and baguette-cut diamonds, the earclips with hinged and post fittings, white precious metal mounted, unmarked, estimated total diamond weight 8.00-8.20 carats, brooch length 4.5cm, earclips 2.5cm. £5000-7000