17 septembre 2013
A sapphire and diamond ring, by Van Cleef & Arpels
A sapphire and diamond ring, by Van Cleef & Arpels. Photo: Christie's Images Ltd 2013 Set with a rectangular-cut sapphire, weighing approximately 13.18 carats, flanked on either side by a trillion-cut diamond, mounted in platinum, 1955. Signed Van Cleef...