One of the World's Largest Independent Certification and Accreditation Services Provider. Join a global community of diamond, gemstone and jewelry professionals and enthusiasts

IGI's Verify Your Report service permits quick and convenient confirmation that your report matches what is recorded in the IGI database.

IGI Natural Diamond Reports give an accurate assessment of a diamond’s cut, color, clarity and carat weight according to strict international standards.

IGI is the global authority in diamond, gemstone, and jewelry certification. Expert grading, education, and trusted evaluations for your precious gems.

Without disassembling heirlooms or complex pieces, IGI performs thorough, objective and expert analysis of finished jewelry items. IGI screens every gemstone using state of the art technologies to determine naturally mined, laboratory grown or simulant origin.

IGI Identification Reports are issued for pieces mixing natural gemstones with non-natural stones, or featuring pearls, lab created colored stones, simulants or other materials. Verify Your Diamond

IGI Natural Diamond Reports give an accurate assessment of a diamond's cut, color, clarity and carat weight according to strict international standards. Verify Your Diamond

The IGI Lab Grown Diamond Jewelry Report describes the article, identifying all mounted gemstones as well as precious metal content and purity stamps, if present. For center stones; shape, cutting style, measurements and 4Cs assessments are provided as mounting permits.

What’s commonly called a ‘certificate’ is actually a grading report. IGI issues a wide variety of reports, grading and authenticating loose diamonds, gemstones, and finished jewelry around the world.

Log into IGI and your diplomas and certificates will be available on your dashboard.