A rare square 37-carat emerald owned by the Aga Khan fetched ... Sold by Christie's, the Cartier diamond and emerald brooch, ...
A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the ...
Recently, the princess had swapped the famous jewel out for a ring stack. After announcing the end of her chemotherapy ...