‘Potentially flawless’ stone doubles jewellery record at Sotheby’s in Geneva
SOTHEBY’S set a new auction record for a jewel in Geneva when a 24.78-carat fancy intense pink diamond sold to London jeweller Laurence Graff at SFr40.5m (£25.6m) plus premium.
The 'potentially flawless' stone, immediately named The Graff Pink after a contest involving four bi…