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The lab offers sorting of melee, cut grade analysis, light analysis reports, origin testing of loose diamonds and gemstones, treatment identification, laser inscription on diamonds and gemstones, metal engraving, jewelry QC, metal inspection, and 360-degree virtual imaging on every loose diamond.
Why We Founded Gemological Science International (GSI) The diamond grading industry is populated by gemological laboratories that are virtually indistinguishable. In this “alphabet soup” of grading labs, diamonds are graded by hand and eye – an ultimately subjective assessment.
Gemological Science International, or GSI, is an independent gemological organization that is one of the largest gemological entities in the world, with offices in four continents.
GSI is the most technologically advanced gemological laboratory that provides professional gemstone identification, grading and appraisal services to some of largest and most recognized fine...
GSI is the most technologically advanced gemological laboratory that provides professional gemstone identification, grading and appraisal services to some of largest and most recognized fine...
Apr 19, 2021 · Gemological Science International (GSI) announced the opening of its newest laboratory in Jaipur, India. The Jaipur laboratory will offer all of GSI’s core services. It will also include a dedicated division specialising in coloured gemstone geographical origin and identification.
GSI has created an easy way for you to verify that the information you have on your GSI grading report reflects the data we maintain in our lab. This is an.
The Gemological Science International (GSI) is a globally recognised gemological laboratory that provides certification services for diamonds and other precious stones. GSI is an independent organisation headquartered in New York and provides services to customers worldwide.
Mar 12, 2020 · Mar 12, 2020. Gemological Science International has emerged as one of the leaders in the diamond grading industry, an industry with the unfortunate distinction of being populated by countless...
Oct 21, 2020 · Gemological Science International (GSI), one of the largest gemological organizations in the world, announces the launch of its new online education course: Laboratory-Grown Diamond Essentials – the industry’s first-ever educational course dedicated to laboratory-grown diamonds.
