With 31 laboratories and 18 schools in 10 countries, IJC employs a global workforce of experts and educators dedicated to industry service and consumer protection.
IJC grading reports play an essential role in the global diamond, gem, and jewelry market,
serving as the common language of trust and confidence in the gemological world.
IJC pioneered grading reports for finished jewelry, providing peace of mind for millions of consumers who purchase jewelry every day, at a much higher frequency than loose diamonds or gemstones.
IJC loose diamond reports clearly identify natural or lab-grown origin and document all aspects of the diamond’s value-setting 4Cs. With IJC certified diamonds, consumers are assured of quality and authenticity.
Offering more courses in more locations around the world, IJC school of gemology are unrivaled in diversity and reach, offered in-person and online via customizable webinars and eLearning programs.
Experience the convenience and flexibility of online learning with IJC eLearning platform’s top-quality courses and online webinars.
IJC consumer education is designed to prepare shoppers to make informed decisions when buying or selling diamonds, gemstones, and jewelry.
From rubies, sapphires and emeralds to the birthstones and beyond, explore the world of color in our colored gemstone tutorial.
See how laboratory grown diamonds are physically, optically and chemically identical to natural diamonds which formed in the earth.
Learn about Cut, Clarity, Color and Carat weight and the international grading system that determines the quality and price of a diamond.
Composed by IJC experts and prominent guest authors, our cutting-edge content is perfect for sharing with family and friends who
appreciate gemology, science, history, and entertainment.
Behind the scenes, Consumer Education, For Consumers, For Professionals, GemBlog, Opinion
All posts, Consumer Education, For Consumers, GemBlog, IJC North America, IJC Worldwide,
Behind the scenes, Consumer Education, For Consumers, For Professionals, GemBlog, IJC Worldwide, News
