making it the world's most expensive green stone. Sold by Christie's, the Cartier diamond and emerald brooch, which can also ...
A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the ...
Buccellati Macri Color ring in 18-karat white and yellow gold set with a 3.56-carat amethyst and diamonds Bulgari necklace in ...