6 décembre 2017
15.04 carats Burmese 'royal blue' Sapphire and Diamond Ring, Graff
Lot 154. A 15.04 carats Burmese 'royal blue' Sapphire and Diamond Ring, Graff. Estimate 300,000 — 400,000 USD. Lot sold 519,000 USD. Photo: Sotheby's. Set with a cushion-cut sapphire weighing 15.04 carats, flanked by heart-shaped diamonds, size 7, partially...