【USA】Blue Diamond Sells for $36.3 Million… Sets Auction Record High

Editor’s NoteA 9.75-carat blue diamond, once owned by American billionaire widow Rachel Mellon, has shattered auction records, selling for $32.6…

【USA】Blue Diamond Sells for 36.3 Billion Won… Sets Auction Record High

Editor’s NoteA 9.75-carat blue diamond, once owned by an American billionaire’s widow, has shattered records at auction. The gem sold for $32.6…