【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…
Editor’s NoteA historic Royal Blue diamond, preserved for over three centuries and passed through four European royal families, will be unveiled to…
Editor’s NoteA record-breaking sale in Geneva saw the legendary Archduke Joseph Diamond fetch nearly $21.5 million, setting a new per-carat benchmark…