Top Info Guide: Gemological Science International GSI - Commercial Gemological Laboratory

Gemological Science International (GSI) is an independent commercial gemological laboratory. We combine state-of-the-art technology with deep professional expertise.

GSI provides reliable, fast, and professional gemstone identification as well as grading and appraisal services to the global fine jewelry industry. GSI is the only major gemological laboratory established in the 21st century. Within a relatively short period of time, GSI has grown to become one of the largest gem labs in the world.

Useful links:

GSI
Gemological Science International


For more information visit website: www.gemscience.net

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