[5] IGI has a staff of over 650 gemologists, appraisers and professional office personnel.
[6] IGI provides its services to the public through diamond dealers, and jewelry manufactures.
They also offers diamond and colored stone courses through IGI's Schools of Gemology.
IGI is the largest laboratory for certification of diamonds and fine jewelry.
[8] IGI is International Organization for Standardization (ISO) 9001: 2000 certified in four countries, including the United States, Canada, India and the United Arab Emirates.