Why We are Different!

The ISG Courses have been peer reviewed by at least 5 state licensed insurance professionals, and formally certified by the Texas Department of Insurance. By reciprocity this makes our courses certified throughout the United States and the world. The other schools, including the GIA, can not offer this level of certification. Study with the ISG with the confidence that you are getting the very finest in gemology and jewelry appraisal education.

Course Outline...click on course icons below to visit course page.

ISG Registered Gemologist Program

The ISG Registered Gemologist Program is the world leader in gemological distance education with fully migrated HTML5 mobile friendly courses you can study anywhere with any computer or mobile device. This complete package includes four (4) courses in gemology (listed below) that can be taken as a single low-cost package, or for those who need a payment program you can complete the program through our new Individual Course Program. This program is for those who wish to study gemology and gemstones but not jewelry appraisal. You can upgrade to the RGA program later if you wish for the same difference in price. Successful completion of this program awards the student the ISG Registered Gemologist title. The RG program includes all of the courses as shown:


Course: ISG101
Lessons: 14

Colored Gemstones

Course: ISG102
Lessons: 17

Gemology Tools and Techniques

Course: ISG103
Lessons: 16

Created and Treated Gemstones

Course: ISG104
Lessons: 14

ISG Gem Equipment Package!

The ISG Gem Equipment Package includes: Polariscope with conoscope, Refractometer, RI Liquid, Diffraction Grating Spectroscope, Calcite Dichroscope, Brass MM Gauge, five (5) ISG StudyGem gemstones and assorted tweezers and accessories as available for you to use for study, practice and to keep. This is a special package and is offered to ISG Students only enrolled in the RG or RGA with Gem Equipment Package programs. 

The Gem Equipment Packages, Gem Microscopes and other tools are also available in our gemologyPro tools and support eCommerce site. 


Diamonds andColored Gemstones Practical Package

A complete set of diamonds and colored gemstones for your hand's-on study experience. We will send you the practical sets for you to identify and grade, and return to the ISG office for evaluation of your work.     

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Certificates and Diplomas: A Certificate of Completion after each course, the Registered Gemologist and Registered Gemologist Appraiser diplomas are awarded after completing all courses

ISG RG Program Package: US$1,995.00

ISG RG Program Package with Gem Equipment Package and StudyGem Set: $2,995.00

This tuition prices includes all of the following:

  1. All four (4) ISG Registered Gemologist Program courses. Complete. No other fees.

  2. One (1) year registration period to complete your work.

  3. Diamonds Course: ISG101

  4. Colored Gemstones Course: ISG102

  5. Gemology Tools and Techniques: ISG103 

  6. Created and Treated Gemstones: ISG104

  7. ISG Color Vision Testing

  8. Listing in the ISG Registered Gemologist Directory at the Global Claims Associates website, our education and reference site for the insurance industry. You will also qualify for the Advanced Insurance and Litigation Appraiser program from the Global Claims Associates, and become an Associate.

ISG Registered Gemologist Program


ISG Registered Gemologist Program with Gem Equipment Package



To register, click the link below:

ISG RG Student Registration Page Click Here