GIA
Gems & Gemology
FreeGems & Gemology is the award-winning quarterly journal of the Gemological Institute of America. Since 1934, G&G has published groundbreaking...
iOS
GIA 4Cs Guide
FreeGIAs 4Cs iPad app features video and interactive tools that teach consumers about how GIA grades color, cut, clarity and carat weight. It explains...
iOS
GIA 4Cs for Mobile
FreeGIAs 4Cs iPhone app features video and interactive tools that teach consumers about how GIA grades color, cut, clarity and carat weight. It...
iOS