Texas Department of Insurance

The International School of Gemology is a Certified Continuing Education Provider for the Texas Department of Insurance and most other States in the US. Our courses are peer reviewed and re-certified every 2 years by licensed insurance professionals directly involved in jewelry insurance. We are the only gemology and appraisal school in the world created and operated by licensed jewelry insurance professionals.

National Association of Independent Insurance Adjusters

Global Claims Associates, operating as the International School of Gemology and Global Claims Associates,, is proud to have been elected to membership of the NAIIA, the nations oldest and most prestigious association for insurance adjusters. The ISG is the education division of the Global Claims Associates, and our courses are taught to licensed insurance adjusters through the NAIIA membership. We are the only gemology school in the world that holds this professional designation.


National Association of Jewelry Appraisers

The NAJA is the world's finest education and membership association specifically devoted to jewelry appraisal and appraisers. The ISG Registered Gemologist Appraiser and Registered Gemologist Diplomas are recognized and accepted by the NAJA, providing you with the assurance that our programs are reviewed and recognized by the jewelry appraisals industry.


American Gem Trade Association

Open only to the top gemstone trade members in the industry, the AGTA is the premier association for all levels of the colored gemstone industry. The ISG is pleased to have been recognized for our education and support of the colored gemstone industry by being voted membership in the AGTA.

Diamond Council of America

The International School of Gemology is proud to be a member of the DCA, and to offer special scholarships to our ISG Global Community for DCA education programs. The jewelry sales programs of the DCA are the finest in the world, and add a whole new dimension to your ISG education. We provide a partial scholarship to you in order for you to extend your professional training and increase your ability to get employment or make your own business more successful.


Jewelers of America

The International School of Gemology is proud to be a Supplier Member of the Jewelers of America. The JA membership is a symbol of professional ethics and standing in the industry, and the ISG is pleased to be counted as part of that elite group within our industry.


Manufacturing Jewelers and Suppliers Association

The MJSA is the industry's largest organization of manufacturers and suppliers, and the ISG is pleased to be a long time member of the MJSA. The recognition of the ISG RGA and RG programs by the industry manufacturers and suppliers is an important testament to the quality of our programs.


International Diamond Exchange

Staying on top of the latest industry developments is important to the ISG and our students. For this reason the ISG applied for and was elected to membership in the International Diamond Exchange, the world's largest diamond trading exchange. This allows us to stay at the forefront of the diamond industry developments, and keep our students on the leading edge of that information.