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ISG Professional Gemology Certification

Languages: English – Español – Français – Português

Welcome to the ISG Professional Gemology Certification online courses. 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 that is based on our certified insurance industry education delivery system. Our Professional Gemology Certification online courses are available in English, Spanish, French, and Portuguese. Courses have been rated the top in the world for quality, affordability and ease of learning. Choose from one of our quality education programs or individual courses or get more information about careers in gemology from the drop-down menu. Course tuition starts as low as $35.00. 

NEW! FREE course on Chatham Created Gems. Start now!

The ISG Registered Gemologist Appraiser Program consists of two parts: The Gemologist course and the Appraiser course. By completing both programs the graduate will earn their Registered Gemologist Appraiser Diploma and be listed in the Insurance Registry of Appraisers and Gemologists by the Global Claims Associates. Students seeking certification as a gemologist can take just the Registered Gemologist section and earn their Registered Gemologist Diploma and Title. Those holding a qualified gemological diploma from a recognized institution can complete just the Registered Appraiser Program and earn the full RGA Diploma and Title, and listing in the Insurance Registry. You can review the programs at the links below.

Video Updates on ISG News and Events

After I posted the photograph of our new Sarin DiaVu, I received a lot of inquiries regarding what a Sarin is and how it works. Here is a short video I just knocked out that will help explain. Our Sarin is several years old so the newer models have advanced technology, but for our purposes this Sarin is absolutely perfect as you will see in this 3 minute video.

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ISG Registered Gemologist - Appraiser Diploma Programs

Currently Available to United States Students Only

Registered Gemologist Appraiser Diploma

TypeOnline Course
DateJan 7, 2023
Student Enrolled8
Price$2995.00
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Registered Gemologist Diploma

(1 ratings)
TypeOnline Course
DateJan 7, 2023
Student Enrolled4
Price$1995.00
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Forensic Gemology Program

Advanced Training for Gemologists and Appraisers

Evaluating Damaged Jewelry

TypeOnline Course
DateJan 7, 2023
Price$295.00
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Litigation and Expert Witness for Appraisers

TypeOnline Course
DateJan 7, 2023
Student Enrolled1
Price$495.00
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Personal Property Appraisal

TypeOnline Course
DateJan 7, 2023
Student Enrolled1
Price$495.00
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Professional Certificate Courses in English - Español - Français - Português

Available to all international students.

Certified Diamond Professional

(1 ratings)
TypeOnline Course
DateJan 7, 2023
Student Enrolled3
Price$295.00
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Certified Gemstone Professional

TypeOnline Course
DateJan 7, 2023
Student Enrolled4
Price$ 295.00
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Certified Pearl Professional

TypeOnline Course
DateJan 7, 2023
Student Enrolled3
Price$195.00
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Certified Watch Professional

(2 ratings)
TypeOnline Course
DateJan 7, 2023
Student Enrolled5
Price$ 145.00
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The ISG Professional Certificate Program has been designed to bring high quality, professional education courses to students around the world. These courses include all the information you need to become a professional sales person, dealer, or other industry member, and learn the information in your native language. There are no practicals required to complete this course. No tools to buy. This information has been structured to give you the knowledge of how to become a professional in each field and open doors of opportunity to you wherever you live. We currently offer these in ENGLISH – ESPAÑOL – FRANÇAIS – PORTUGUÊS. Contact us if you would like to add a language to this program offer.

To view of full list of available and upcoming courses please click the ISG logo below:

StudyGem Hand's-On Gem Identification Program

All Registered Gemologist Appraiser and Registered Gemologist students receive a set of 20 StudyGems, pre-identified gemstones that you will use for your study and practice, then keep for your own reference set. You will also get two loose diamonds of .35ct -.45ct for study and hands-on grading practice, that you will also keep for your own for future reference. 

Insurance Industry Certified Courses

Beginner to Advanced Courses in Gemology, Appraisal, and more!

We are the only gemology school in the world that offers world-class programs in gemology and jewelry appraisal in our Registered Gemologist Appraiser program. This program offers courses that include Evaluating Damaged Jewelry, Personal Property Appraisal, and Litigation and Expert Witness for Appraisers. With our experience as state licensed insurance adjusters specializing in high value jewelry claims in the U.S. and Europe, we offer you a level of education and experience unmatched anywhere else in the world.

Certified Instructors to Assist Learning

We have the most highly trained instructors in both gemology and jewelry appraisal with the world’s top credentials. We were originally an Allied Teaching Centre of the Gem-A, and hold teaching credentials that are recognized around the world.

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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