Archive for the ‘Gemological Institute of America Inc’ Category

Gemological Institute of America Inc

February 18th, 2011 | Posted in 2011, Gemological Institute of America Inc

Gemological Institute of America Inc., Carlsbad:  Is a global non-profit that operates several labs that grade jewels, most notably diamonds. These labs are located worldwide.  GIA also operates a school that trains students to identify and grade stones, including those made of synthetic materials and stones that have been subjected to some sort of treatment. […]