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.

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.
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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