Gemmological Research Industries Inc. (GRI) is a leading independent gemological research organization that specializes in the identification, analysis, and certification of natural and synthetic gemstones. Founded in 1986 by Dr. Adolf Peretti and Dr. Thomas Hainschwang, GRI is headquartered in Switzerland and has offices and laboratories in Bangkok, Hong Kong, and New York.

GRI’s team of expert gemologists, scientists, and engineers use cutting-edge technology and research methodologies to provide accurate and reliable information on the quality, authenticity, and value of gemstones. The organization’s primary focus is to provide gemstone buyers, sellers, and traders with the information they need to make informed decisions about their gemstone purchases and sales.

One of GRI’s most significant contributions to the field of gemology is the development of advanced testing methods for detecting synthetic diamonds. GRI’s proprietary DiamondCheck technology uses a combination of spectroscopy, imaging, and advanced algorithms to identify the presence of synthetic diamonds with a high degree of accuracy.

GRI also offers a range of services to the gemstone industry, including gemstone identification, grading, and certification. The organization’s Gemstone Report provides detailed information on a gemstone’s origin, treatment, and quality characteristics, such as color, clarity, and cut. GRI’s reports are widely recognized and respected in the industry for their accuracy and reliability.

In addition to its research and certification services, GRI also provides training and education programs for gemstone professionals. The organization’s courses cover a range of topics, including gemstone identification, diamond grading, and advanced gemology.

GRI’s commitment to advancing the science of gemology has earned the organization numerous accolades and awards over the years. In 2019, GRI was awarded the JNA Award for Industry Innovation and Technology for its work in developing advanced testing methods for detecting synthetic diamonds.

Overall, Gemmological Research Industries Inc. (GRI) is a highly respected and trusted organization in the gemstone industry. With its cutting-edge technology, innovative research, and unparalleled expertise, GRI is a vital resource for anyone involved in the buying, selling, or trading of gemstones.