Our college only has correspondence courses in diamond grading theory. Students first complete GIC diamond grading practice course, then sign up for this correspondence course, complete correspondence homework according to the requirements of correspondence homework, and take the final exam. If they are qualified, they can be awarded GIC diamond grading certificate. Jewelry College has cooperative schools in Zhejiang, Shenzhen, Hebei, Jiangsu, Shanghai, Shandong, Hangzhou, Xi 'an, Kunming, Anhui, Taiwan Province, Beijing, Henan, Shaanxi and Guangzhou. Please pay attention to our website. There will be a notice when the school starts.