The GCI Gemological Laboratories & College is a certified universal institute providing gemological services such as certification of diamonds, gemstones, and jewelry. GCI Gemological College offers exhaustive professional courses on rough and polished diamonds, gemstones, and jewelry design, given by The College for Diamonds, Gemstones, and Jewelry, which will enable you to acquire essential knowledge, as well as vast practical experience. Tailor-made courses given in 10 different languages, by GCI’s experienced gemologists and teachers of gemology, will not only teach you theoretical specific knowledge but will also provide you with valuable experience towards its practical applications. The courses at GCI allow participants to become more familiar with precise grading, identifying diamond treatments, simulants, synthetic diamonds, rough diamonds, and much more. The classes are equipped with all the necessary up-to-date gemological testing equipment, to which all students have individual access. Teachers adapt the courses to the students' individual learning levels, with a specific interest in bringing out the excellence of each student in the field they have selected. (Diamond Grader) diploma while passing the exams of all three courses will appoint you as a Graduate Gemologist (G.G.