Gemological Science International (GSI) is an independent gemological organization with a global footprint. GSI is the only major gemological laboratory established in the 21st century. We provide reliable gemstone identification and grading services, conduct gemological research to protect the industry and consumers, and offer a variety of educational programs to the trade and general public preparing a new generation of professionals. Since our founding in 2005 with one laboratory in New York
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Gemological Science International (GSI) is an independent gemologic…
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Gemological Science International (GSI) is one of the largest gemological organizations in the world. Utilizing leading-edge processes and proprietary technologies, GSI provides manufacturers and retailers globally with a wide range of gemstone identification and grading services. GSI is committed to advancing gemological research, offering educational programs for trade professionals and the general public at all levels. | Gemological Science International (GSI)
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Gemological Science International (GSI) is one of the largest gemolo…
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A crucial aspect of gemological investigation is the determination of gemstone treatment and provenance. However, with the growing number of treatment methods and synthetic materials, analytical facilities must engage more precise equipment to analyse the chemical composition. Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry (LA-ICP-MS) has been widely used for decades in the fields of geology, chemistry, material science, and biology. However, over time and with technological develop
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