Diamond Grading and Identification Course

The Diamond Grading and Identification Course is designed to turn curiosity into expertise — guiding students toward professional-level understanding of one of the world’s most captivating gemstones. You’ll learn the science behind a diamond’s beauty, the properties that define its value, and the professional skills needed to grade and identify stones with confidence and precision. From mastering the 4Cs — Cut, Color, Clarity, and Carat weight — to detecting simulants, treatments, and lab grown diamonds, this course offers a complete foundation for anyone seeking to excel in the diamond and jewelry industry. Led by senior gemologists, the course explores key topics that will help you in your day-to-day in the industry. Lectures are dedicated to an array of practical topics, including weight estimation for mounted diamonds, fluorescence and its influence on value, and lab-grown diamond detection — all taught through clear, structured online lessons. You’ll gain a strong command of gemological principles, trade terminology, and real-world evaluation techniques that reflect current industry standards. Whether you’re an aspiring gemologist, a jewelry professional, or simply passionate about diamonds, this program delivers the knowledge, confidence, and credibility to succeed in the global jewelry market — blending technical precision with a true appreciation for the art and science of gemology.