ISG Introduction to Gemology Course

The ISG Introduction to Gemology course has been specifically designed as a foundation study of gemology for those just starting their career in gemstones. This entry level course includes information that is taken directly from the ISG Registered Gemologist Appraiser program and more. It is designed for those without gemology experience to get a foundation knowledge in gemology to serve their future learning needs.


This program consists of a 9 lesson course in gem and mineral formation, how gemstones are mined, how gemstone crystals grow, basics of gem identification, a review of over 67 of the most often seen gemstones and a full section on Careers in Gemology. It is complete with many videos, slide presentations and explanations to help you better understand the study of gemology. Short exams are taken after various lesson.

Here is an overview of the course program:

  • Lesson One: How Gemstones Form
  • Lesson Two: Gems from Igneous Rocks
  • Lesson Three: Gems from Metamorphic Rocks
  • Lesson Four: Gems from Sedimentary Rocks
  • Lesson Five: The 7 Crystal Systems
  • Lesson Six: Review of Gemstones A - L:
  • Lesson Seven: Review of Gemstones M - Z
  • Lesson Eight: Gem Identification including videos demonstrating optical properties, how to use the gem equipment and gemstone phenomena.
  • Lesson Nine: Careers in Gemology

This course includes over 200 photographs, 10 videos and a variety of slide presentations to help you begin your study of gemology. Great for anyone interested in gems and minerals and the study of gemology but no yet ready to take a full program study in gemology.

If you decide to upgrade to the ISG Registered Gemologist Appraiser or Registered Gemologist Programs we will credit you the full tuition you paid for the Introduction to Gemology toward the upgrade. 100% of your money will be applied to the RG or RGA programs.

Certificate of Completion Awarded upon completion of the Final Exam. Please read the final exam instructions in Lesson 9.

Tuition: US$95.00 

Course Delivery: Course is delivered online via HTML5 presentation. Link below will take you to the International School of Gemology's Gemstone Academy website where you can register and begin immediately.  

Go to the ISG Introduction to Gemology Course