Gemological Science International (GSI) one of the world largest gemological organizations participates in the 2nd edition of DDES (Diamond Detection Expo & Symposium) a two-day event which aims to provide a platform for companies offering machines, expertise& equipment for the detection of synthetic diamonds.
Gemological Science International (GSI) laboratory department was the first to bring innovating methods of the batch-testing for star and melee- sized diamonds to Surat.
GSI in the past has taken active steps to impart industry knowledge on detection of synthetic diamonds by conducting seminars led by its expert research and development team.
At this premium industry platform GSI is proud to announce that its services in Surat office moved to its new bigger facility at and is offering grading, testing and detection services like diamond jewelry random origin testing, comprehensive origin testing, jewelry screening, loose diamond testing, loose diamond screening, melee and star batch origin testing and screening, diamond jewelry treatment testing and its unique MobiLab service for on-site diamond origin screening and diamond jewelry screening.
Gemological Science International (GSI) is the only major gemological body established in the 21st century. Founded in 2005 in New York City, it provides reliable gemstone identification and grading services, is engaged in gemological research, and also offers a variety of educational programs to help prepare the new generation of professional graders.
GSI is proud to offer gemological services that are reliable, efficient, and convenient on a global scale by working in close proximity to our clients. Therefore, it has grown to become one of the largest gemological entities in the world with offices spanning four continents
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