ABOUT GIB

Our supreme position in the gemological world is no coincidence. It is the result of continuous research, support and synergy with professionals and consumers alike.
GIB is the largest organization of its kind in the country and region, with 3 laboratory locations certifying the widest variety of gemstones and jewelry, and 2 schools of gemology offering the industry’s widest range of classes and diploma programs.
GIB has been an industry leader since 1998, introducing inscription and identification technologies, finished jewelry grading, co-branded certification, diverse scholastic programs and many other initiatives designed to improve and empower jewelry professionals.
A total commitment to understanding consumer concerns has motivated GIB to develop clear documentation and immersive analysis using the latest technologies. Sophisticated, yet clear and easily understood, GIB grading reports and appraisals are recognized around the Iran as a global standard of excellence.
Today GIB is the most trusted name for thorough, objective and expert assessment of diamonds, gemstones and jewelry.
Thank You for your trust.