8 août 2016
Highly important unmounted brilliant-cut diamond
Lot 1827. Highly important unmounted 25.50 carats D colour, Flawless clarity brilliant-cut Type IIa diamond. Estimate 30,000,000 — 38,000,000 HKD. Lot sold 39,860,000 HKD. Photo Sotheby's 2011 An unmounted brilliant-cut diamond weighing 25.50 carats....