Gic diamond grading certificate of China Geo University failed, so long as you study hard, you can pass.

GIC is the abbreviation of Jewellery College of China Geo University. China Geo University set up a jewelry laboratory on 1983, and developed into a secondary institution of the university, a jewelry college on 1992 with the approval of the Ministry of Geology and Mineral Resources, and a jewelry testing center on 1993 for identification, consultation, training and research.