Jewellery Technology & Machinery - JTM
Gemological Science International the First Diamond Grading Institute to bring International Standards to India participates in the 2nd edition of DDES

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.

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