About IGI

IGI's supreme position in the gemological world is no coincidence. It is the result of continuous research, support and synergy with professionals and consumers alike.

Around the world, IGI certificates bring confidence when buying or selling diamonds, gemstones and jewelry. Total commitment to understanding consumer concerns has motivated IGI to develop comprehensive analysis and clear documentation for consumers. This empowers jewelry buyers to focus on finding precisely what they want, with full assurance in the integrity and quality of the IGI certification.

IGI is the largest organization of its kind, with operating laboratories & offices in Antwerp, New York, Hong Kong, Mumbai, Bangkok, Tokyo, Dubai, Tel Aviv, Toronto, Los Angeles, Kolkata, New Delhi, Thrissur, Jaipur, Surat, Chennai, Ahmedabad and Hyderabad. The IGI School of Gemology has locations in Antwerp, Mumbai, Delhi, Hyderabad, Surat, Ahmedabad, Chennai, Dubai, Shanghai, Rome, Ascoli Piceno, Trecastagni, Cavalese, Marcianise and offers a variety of courses designed for professionals and consumer enthusiasts alike.

A certificate from IGI represents the all-important 5th C that no one should be without: Confidence. As the world's largest independent gem certification and appraisal institute for diamonds, colored gemstones and jewelry, IGI is a standard of excellence for industry professionals and consumers around the globe.