20 juin 2016
Rough diamonds weighing 5.44 carats, 5.62 carats and 5.88 carats
Lot 1A. Rough diamond weighing 5.44 carats. Estimate 10,000 — 15,000 USD. Photo: Sotheby's. Of octahedron form. Lot 1B. Rough diamond weighing 5.62 carats. Estimate 10,000 — 15,000 USD. Photo: Sotheby's. Of octahedron form. Lot 1C. Rough diamond weighing...