4 septembre 2015
18 Karat Gold, Sapphire, Emerald and Diamond Ring
18 Karat Gold, 26.18 carats Burmese Sapphire, Emerald and Diamond Ring. Estimate 350,000 — 450,000 USD . Photo: Sotheby's. Centering an emerald-cut sapphire weighing 26.18 carats, the mounting accented by round diamonds weighing approximately 4.50 carats,...