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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. [ 1 ] [ 2 ] [ 3 ]
Originally focusing on contract research and development work in the areas of metals and material science, Battelle is now an international science and technology enterprise that explores emerging areas of science, develops and commercializes technology, and manages laboratories for customers.
In 1953 the GIA developed its International Diamond Grading System and the "four Cs" (cut, clarity, color, and carat weight) as a standard to compare and evaluate the quality of diamonds. [2] Today, [when?] the institute is headquartered in Carlsbad, California, and operates in 13 countries, with 11 campuses, 9 laboratories, and 4 research centers.
International Gemological Institute (IGI) is a gemological organization which certifies diamond, colored stone and jewelry. It was established in 1975 in Belgium. [1] On May 21, 2023, Blackstone Group announced their acquisition of IGI. [2]
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Gemology or gemmology is the science dealing with natural and artificial gemstone materials. It is a specific interdisciplinary branch of mineralogy . Some jewelers (and many non-jewelers) are academically trained gemologists and are qualified to identify and evaluate gems.
Science & Tech. Shopping. Sports. Weather. 21 Best 1990s Baby Names That Are Still Relevant Today. Jamie Ballard. January 2, 2025 at 1:39 PM. ... It's a name with plenty of international appeal ...