This course introduces the fundamentals of colored gemstones. It focuses on practical identification using gemological instruments to differentiate natural, synthetic, treated, and imitation stones. It covers major-colored gemstones, common treatments, grading factors, and essential trade practicesDevelop skills to identify large number of stones from semi-precious to precious varieties.

To provide advanced training and education for better identification, grading and appraisal of stones. To help the students in building expertise as gemologists by training them to separate natural gemstones from their simulants and synthetic counterparts.