Serving the industry with diamond, gem and
jewelry grading, education and
appraisals since 1975
IGIs 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
Authenticity : 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
Collaboration : IGI instructs a wider 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.
Innovation : 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.