Since 2009 CRG has been an independent Gemological Laboratory specializing in Precious Gemstones, Fine Jewelry, Mineral Identification, Quality Analysis and Evaluations.

Our laboratory utilizes state of the art technology, instruments and the most highly experienced Gemologists, Graduates of the Gemological Institute of America, to provide the most accurate and professional jewelry, diamond and gemstone evaluations. CRG laboratory Gemologist graduated from GIA in 1990 and has been practicing for over 33 years in the wholesale, retail and auction jewelry trade specializing in rare gemstones and appraising.