The International Gemological Institute (IGI) stands as one of the most recognized and respected gemological institutions in the world. With over four decades of expertise, IGI has become a global authority in certifying diamonds, gemstones, and jewelry, serving both consumers and the trade with unmatched accuracy and integrity.
The institute provides certifications for natural and lab-grown diamonds, ensuring transparency in a rapidly evolving marketplace.
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IGI's loose diamond reports identify natural or lab grown origin and document all aspects of the diamond's value-setting 4Cs.
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Students and professionals around the globe turn to GIA for the knowledge, skills, and credentials that launch successful gem and jewellery careers.
The world leader in gemmological research, GIA breakthrough discoveries deepen our understanding of gemstones and the world.
Through research, education, and unbiased gem grading and analysis, GIA strives to protect the gem and jewellery buying public by setting global quality standards.
IGI’s value system is centered on objectivity, accuracy, consistency, and impartiality, ensuring that each diamond is evaluated according to strict industry standards and criteria without bias or influence.
IGI uses state-of-the-art technologies to screen every gemstone, determining naturally mined, laboratory-grown, or simulant origin. Experienced graduate gemologists conduct further assessment in controlled conditions, detailing relevant gemological characteristics according to the strictest international system.
IGI instructs a wide variety of courses, provides a wider array of services, and grades a wider variety of gemstones and jewelry in more locations around the world than any other gemological organization. By acting globally while thinking locally, we provide customized, world-class solutions in all of the many locations we serve.
IGI continues to innovate by exploring cutting-edge technologies to enhance gemstone analysis and provide more accurate identification of gem origins, ensuring the highest level of quality assurance for consumers worldwide.
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"Renowned globally, IGI’s leadership in gemological certification is built on decades of innovation, trust, and integrity. Our relentless pursuit of precision and collaboration with industry professionals ensures that every IGI-certified diamond and gemstone reflects the highest global standards."
IGI (International Gemological Institute) Reports are official grading documents issued by the IGI that detail the quality, characteristics, and authenticity of diamonds, gemstones, and jewelry. These reports serve as a trusted, standardized reference for buyers, sellers, and jewelers around the world.
Identifies a natural colored gemstone’s species and variety, including origin (if conclusive).
Certifies the quality and authenticity of mounted jewelry including metal and gemstones.
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Unbiased evaluation of a diamond's 4Cs and identification as natural or lab-grown.