Estrela de Fura ruby to be auctioned for $30 million Business RusLetter
Auction house Sotheby's will auction the Estrela de Fura ruby weighing 55.22 carats in New York in June. It is...
Auction house Sotheby's will auction the Estrela de Fura ruby weighing 55.22 carats in New York in June. It is...
Technically, opal is not a mineral because it lacks a crystalline structure. Among all precious stones, only this stone is...