IGI

IGI is the largest organization of its kind, operating 29 laboratory locations around the world grading finished jewelry, natural diamonds, lab-grown diamonds and gemstones... IGI is the world's largest independent lab for testing grading diamonds, gemstones, jewelry, with 29 labs 18 schools in 10 countries... 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.

Primary location: Mumbai India