The International Center of Gemological Studies (I.C.G.S) is a branch of C.G.S that was established by Eli Dori (G.G) in 1979. We are the most prestigious, affluent and respected gemological center in the Israeli Diamond Exchange Center and taught thousands of students that are working in the diamond industry worldwide.
We provide a comprehensive and intensive gemological courses, in an intimate, pleasant and patient environment, adapted and suitable for every student. Our courses are based on the study program of the “GIA-The Gemological Institute of America”.
Our unique method integrates both theoretical as well as practical aspects of grading and evaluating polished diamonds. Learn from world experts in gemology, with emphasis on practical, hands-on approach.