Jewellery, Watches and Objects of Vertu to include the personal archive of Louis Osman, goldsmith and architect (27 March 2018)

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Date of Auction: 27th March 2018

Sold for £1,900

Estimate: £900 - £1,200

A diamond and sapphire triple cluster brooch, the three graduated mixed-cut sapphires claw set within surrounds of old brilliant-cut diamonds, mounted in yellow gold, unmarked, length 28mm. £900-1200

Condition Report

The three mixed-cut sapphires are quite well matched, they are quite dark until lit from behind, but are fairly clean and show light surface wear only. Largest sapphire measures 8.35mm x 7mm x 3.8mm. The diamonds are all bright and lively; they weigh approximately 0.05-0.06 carats each. The mount shows light surface wear. The clasp of the brooch fitting has been replaced. Gross weight 6gm.