IGI’s supreme position in the gemological world is no coincidence. It is the result of continuous research, support, and synergy with professionals and consumers alike. This dedication is reflected by worldwide trust for IGI certified diamonds and IGI certified gemstones, which uphold the highest industry standards.

 

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IGI reports

IGI 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.

All Reports

Colored Stone Report

IGI analyzes every gemstone to identify species and variety, provide detailed information, and disclose any treatments present, ensuring the integrity of IGI certified gemstones for consumers.

Colored Stone Report

Jewelry Report

IGI 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.

Jewelry Report

Diamond Reports

IGI’s loose diamond reports clearly identify natural or lab-grown origin and document all aspects of the diamond’s value-setting 4Cs. With IGI certified diamonds, consumers are assured of quality and authenticity.

Diamond Reports

IGI Education

Offering more courses in more locations around the world, IGI’s school of gemology are unrivaled in diversity and reach, offered in-person and online via customizable webinars and eLearning programs.

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IGI eLearning

Learn anytime, anywhere with IGI eLearning & online webinars

Experience the convenience and flexibility of online learning with IGI eLearning platform’s top-quality courses and online webinars.

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Consumer Education

IGI consumer education is designed to prepare shoppers to make informed decisions when buying or selling diamonds, gemstones, and jewelry.

Go To School

Colored Gemstones

From rubies, sapphires and emeralds to the birthstones and beyond, explore the world of color in our colored gemstone tutorial.

Colored Gemstones

Lab Grown Diamonds Education

See how laboratory grown diamonds are physically, optically and chemically identical to natural diamonds which formed in the earth.

Lab Grown Diamonds Education

Diamond 4Cs

Learn about Cut, Clarity, Color and Carat weight and the international grading system that determines the quality and price of a diamond.

Diamond 4Cs