GemLab Laboratories Competitors

At GIA, we believe every gem has a story — formed deep within the earth and revealed through science. For nearly 100 years, we’ve been bringing those stories to light through research, discovery and education. As a nonprofit, our mission is to ensure confidence in gems and jewelry by blending innovation, knowledge and science. From creating the 4Cs of diamond quality to inventing tools used worldwide, we make learning an adventure and turn discovery into truth. We don’t buy, sell or appraise gems. Instead, we provide trusted reports, education, and insights that help people — from industry professionals to everyday consumers — make informed decisions with clarity. This is GIA: where curiosity fuels innovation, knowledge builds confidence and science inspires a world of trust.

IGI, a Blackstone portfolio company, is the world’s largest independent provider of gemological services. With 31 advanced laboratories and 18 gemology schools worldwide, IGI is a trusted industry partner, committed to objectivity and accuracy. With state-of-the-art laboratories in New York City and Los Angeles, IGI USA delivers expert gemstone evaluation, reporting, and education to professionals and consumers from coast to coast. Our comprehensive services include the analysis of natural and lab-grown diamonds, colored gemstones, finished jewelry, appraisals, and educational programs.

The American Gem Society (AGS) is a nonprofit trade association that has stood for consumer protection, ethics, and ongoing education since 1934. Our members are held to the industry's highest standards and our credentialed members, also known as titleholders, are required to pass an annual recertification exam in order to maintain their AGS titles. Members of the AGS are passionate about jewelry and dedicated to creating a positive buying experience for their customers. To learn more about AGS, visit americangemsociety.org or find a credentialed AGS jeweler near you at AGS.org/Find-a-Jeweler.