【Geneva, Swit】Blue Diamond Unveiled After 300 Years… Auction Estimated Price
Editor’s NoteA rare blue diamond, hidden from public view for centuries, is set to make its auction debut this May. Sotheby’s Hong Kong has unveiled…
Farnese Blue
【Geneva, Swit】Royal Blue Diamond Unveiled After 300 Years to be Auctioned
Editor’s NoteA historic Royal Blue diamond, preserved for over three centuries and passed through four European royal families, will be unveiled to…