30 juillet 2016
Sapphire and diamond ring, Vaillant and Duverne, circa 1960
Lot 570. Sapphire and diamond ring, Vaillant and Duverne, circa 1960. 43,000 — 65,000 . Lot sold 170,500 CHF.Photo Sotheby's 2012 The oval sapphire weighing 12.74 carats, within a bombé surround of baguette, tapered baguette and marquise-shaped diamonds,...