12 octobre 2016
Sotheby's to offer a mesmerising and rare Fancy Vivid Blue diamond
‘The Sky Blue Diamond’, an outstanding and extremely rare Fancy Vivid Blue diamond ring by Cartier weighing 8.01 carats. Estimate GBP 12-20 million (USD 15-25 million, Euro 14-23 million). Photo: Sotheby's. GENEVA .- The centrepiece of Sotheby’s November...