TypeOnline Course
Student Enrolled122
Certificate70% of quiz marks
(3 ratings)

IIJA Student Registrations have been transferred to the International School of Gemology

Effective today December 23, we have formally withdrawn from our status as a 501(c)3 Non-Profit, and returned to our original structure and location at the International School of Gemology. All courses on this IIJA website are now closed, and all student registrations and files have been transferred to the ISG location. Your Username and Password should be active and waiting for you. Student registrations, course history, and student files have been migrated. Please contact us for any questions or if we can help with any issues.

Robert James FGA, GG
President, International School of Gemology


IIJA Created and Treated Gemstones Course

This course is the gemology industry’s most complete education in created and treated gemstones and is available as a stand-alone course for those seeking to know more about this important subject or as part of the IIJA RGA and RG programs. We take you through all of the most often seen processes for creating gemstones in a lab, and how to identify each of these gemstones. We next look at a wide variety of created gemstones and gemstone treatments and also learn where they are found in the market and how to identify them, This is the most complete course of its type on the market.

Please read the IIJA Student Registration Contract before beginning this course. By your registration and payment for this course, you are agreeing to the IIJA Student Registration Contract.



Course Number: IIJA104
Program:  All
Lessons: 14
Certificate of Completion: Yes

Subjects Covered in this Course:

  • History of Created and Treated Gemstones
  • Flame Fusion Creation Method
  • Flux-Melt Creation Method
  • Hydrothermal Creation Method
  • Czochralski Creation Method
  • Skull Melt Creation Method
  • Identifying Created Gemstones Overview
  • Created Gemstones A – Z
  • Identifying Treated Gemstones Overview
  • Treated Gemstones A – Z
  • Final Exam

Completion of this course will apply toward earning your IIJA Registered Gemologist Appraiser or IIJA Registered Gemologist Diplomas.

How to Begin:

  • When you pay for this course using any credit card or your account on PayPal you will be able to start immediately.
  • SSL Secure Payments can be made either through Stripe Payments for credit cards, or PayPal using any credit card or PayPal card using the PayPal payment system. You do not need to have a PayPal Account to use your credit card through PayPal. The Stripe Payment system is for general credit card use. Please follow these steps carefully.:
    1. Click on the BUY NOW button on the upper right side of this page.
    2. The payment gateway will take you through the PayPal or the Stripe payment systems. Both are SSL Secure payment systems. PayPal uses either a PayPal account or you can use other credit cards with PayPal without having a PayPal Account. Stripe is used for Mastercard and Visa and other cards also.
    3. Once you receive payment confirmation you will be brought back to your course to begin or to the SchoolofGemology.com website. Either way, go to the course home page to begin. You can also access the course page through your Profile Page.
    4. Once you have returned to the course home page click the Start the Course button to begin.
    5. Once complete you can print your temporary certificate of completion.  Your IIJA Certificate of Completion will be sent from the IIJA office. Please allow up to 4 weeks to receive your certificate if you are outside the United States.
Section 1History of Created Gemstones
Section 2Flame Fusion Gem Creation
Section 3Hydrothermal Gemstones
Section 4Flux Melt Gemstones
Section 5"Pulled" Gemstones
Section 6Skull Melt Gemstones
Section 7Identifying Created Gemstones
Section 8Created Gemstones A - C
Section 9Created Gemstones D - O
Section 10Created Gemstones R - Z
Section 11Overview of Gemstone Treatments
Section 12Treated Gemstones A - G
Section 13Treated Gemstones H - S
Section 14Treated Gemstones T - Z
Final Quiz