12 mai 2017
Important sapphire and diamond ring, Van Cleef & Arpels
Lot 312. Important 45.74 carats Mogok Burmese 'royal blue' sapphire and diamond ring, Van Cleef & Arpels. Estimate 810,000 — 1,410,000 . Photo: Sotheby's Set with a step-cut sapphire weighing 45.74 carats, between tapered baguette diamond shoulders, size...