17 mai 2012
Important sapphire and diamond ring
Important sapphire and diamond ring. Photo: Sotheby's. Set at the centre with a cabochon sapphire weighing 58.56 carats, between triangular diamond shoulders, size 53½. Estimation 730,000-1,275,000 CHF. Lot 666 vendu: 1,314,500 CHF Accompanied by Gübelin...