International School of Gemology Education


ISG Courses are Reviewed and Certified by State Departments of Insurance

Welcome to the International School of Gemology Education Courses with online and in-person classroom learning opportunities. We are the world’s finest and fastest growing gemological education organization that offers world-class training in gemology, jewelry appraisal, and jewelry litigation expert witness at the world’s lowest tuition rate. We are the innovators in affordable, quality distance education in gemology and jewelry appraisal based on our certified insurance industry education delivery system. Courses have been rated the top worldwide for quality, affordability, and ease of learning. Please choose from one of our quality education programs or individual courses, or get more information about careers in gemology from the drop-down menu. 

gemtoolsNow available: Gemology Tools for Hobbyists to Professionals at low ISG prices. Professional quality gemology tools that we use in the ISG Gem Lab. In the coming weeks, we will add many new products, including Meiji Techno microscopes, GemOro Products, and more. Click the icon on the left or here to visit GemologyTools.Pro

ISG Online Education Programs and Courses

Earn your diploma in gemology and jewelry appraisal with our Classroom-At-Home Programs.

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Registered Gemologist Appraiser Diploma Program

Start your new career as a professional jewelry appraiser with the industry’s only program designed and produced by state-licensed insurance professionals and courses certified by the insurance industry. The ISG Registered Gemologist Appraiser program will start you on your path to success.

green gemstoneRegistered Gemologist Diploma Program 

Earn your Registered Gemologist certification from the only education organization with courses certified by the jewelry insurance industry. From hobbyist to professional gem dealer, the ISG Registered Gemologist Program was designed for you.

Individual Course Program

Take individual courses, or earn your RG or RGA taking one course at a time to spread the cost.

ISG Professional Certificate Courses

Welcome to the ISG Professional Certificate Courses with free courses available to help you start your new career.

Certified Gemstone Dealer

TypeOnline Course
DateJul 20, 2023
Student Enrolled7
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Accredited Gemology Professional

(4 ratings)
TypeOnline Course
Student Enrolled6
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Introduction to Gemology

(5 ratings)
TypeOnline Course
DateJan 7, 2022
Student Enrolled574
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Chatham Created Gems

(2 ratings)
TypeOnline Course
DateAug 30, 2023
Student Enrolled155
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The ISG has received “Best Online Gemology School” rating by two major jewelry organizations. Click the image to learn more.

Frequently Asked Questions
Get quick answers about the International School of Gemology based on our years of working with new students just like you.

About the ISG
Learn more about the founding and credentials of the ISG education programs including recognition and certifications.

Meet Your Instructor
Learn the history and confirm the credentials of your instructor, Robert James FGA, GG. Get the complete story of the founder of the ISG

Superior Program to the GIA

Our graduates report that our program is superior to the GIA Graduate Gemologist program on many levels. We offer courses the GIA does not offer, and provide you with a world-class education at a fraction of the cost of the GIA. We urge you to compare our programs and tuition costs.

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