The ISG was originally an Allied Gem Tutorial Center for the Gemmological Association of Great Britain before going independent in 2004. |

 
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The ISG holds memberships Texas Jewelers Association, Polygon, and other professional industry associations such as the Better Business Bureau.. |
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| The ISG currently has over 1500 students representing 53 nations world-wide. |
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The ISG is a certified education provider for many US State Departments of Insurance to train insurance agents and adjusters in gemology. |
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The ISG Registered Gemologist Program has been recognized and accepted by insurance and jewelry industry organizations world-wide, including our recent endorsement by the African Gem Society and the Gemmological Society of South Africa. |
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