The Importance of Grading
Even experts require advanced instruments to determine a gemstone’s true nature and all of its specifics. Around the world, IGI grading reports bring confidence to buyers and sellers alike.
IGI grades a wider variety of diamonds, gemstones and jewelry in more corners of the world than any other gemological organization.
IGI consumer education is designed to prepare shoppers to make informed decisions when buying or selling diamonds, gemstones and jewelry.