Gems

How to transform the certificate of origin from Opal Piauí in higher value-added

How to transform the certificate of origin from Opal Piauí in higher value-added

The Gems of Peter II town in Piauí should receive next month the certification of origin of Brazilian stone. By itself, the cert

The largest faceted emerald in the world, the giant Brazilian Teodora, valued at over $ 1 million is not Emerald

The largest faceted emerald in the world, the giant Brazilian Teodora, valued at over $ 1 million is not Emerald

The largest emerald in the world - 57,500 carats and 25 pounds - named Teodora (Gift of God) that will be auctioned on January 2