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

A diamond and emerald flower brooch, centred with an oval mixed-cut emerald claw set within a cluster surround of six brilliant-cut diamonds, surrounded by six shaped petals pavé set with further brilliants and spaced by round-cut emeralds, mounted in yellow and white precious metal, to double pin fitting, brooch width 29mm.
£1500-2000