What Will I Learn?

  Gem identification procedures.
  Proper instrument uses and techniques.
  How to identify and/or separate a minimum of 300 gemstones.
  The properties and attributes of a variety of gem materials.
  How to identify and/or separate a minimum of 300 gemstones.
  The properties and attributes of a variety of gem materials.
  How to connect this knowledge with the real-gem world & jewelry industry.
  How to identify simulants, as well as synthetic and treated materials.
  How to grade a gemstone for Color, Carat, Clarity, Cut.
  Understand the synthetic processes.
  What to do in a gem market.
  Understand how gemstones are priced.
  How to price a colorless diamond.


The Intensive Accredited Gemologist Diploma(I-AG-E) program contains 4 main courses.

E102 Gem Identification 
            This course provides students with the skills they require to make quick and reliable gem identifications.

            You will learn 

  • Gem Identification procedures
  • Proper instrument uses and techniques
  • How to identify gemstones using a wide range of gemological instruments
  • Understand the properties and attributes of a variety of gem materials
E301 Synthetic and Treated Gem Identification 
With a collection of over a thousand rough and cut stones, this course offers students a rare opportunity to examine all the major synthetic and treated gem varieties found within the marketplace.

Being able to identify synthetic and,  especially, treated materials is a vital aspect of the modern gem and jewelry industry and many gem dealers have lost large sums of money by buying such stones as natural.

E201 Colored Stone Grading and Pricing
This course provides students with a grounding in the assessment of color, clarity, and cut for a large number of colored gemstones, emphasizing how such factors affect their values in an ever-changing marketplace. 
E103 Diamond Grading and Pricing 
Offering access to hundreds of diamonds in a wide variety of grades, sizes, cuts, and levels of clarity, the AIGS Diamond Grading and Pricing course provides students with the skills required to judge cut, color, clarity, and carat - otherwise known as the “Four C’s” of diamond grading - and learn how these factors affect the stone’s overall value.

In addition to this, students will learn how to identify the various diamond simulants, synthetics, and enhancements that are commonly encountered in the marketplace.


Our correspondence program will enable students to study anytime, anywhere 24 hours wherever they are.
You will receive the textbook, quizzes, and theory exams in e-version which are as same as the on-campus course except the students must study on their own. However, there is a discussion forum on the platform, students can ask the questions, then the AIGS instructors will answer.
1. Students enroll in the course and make payment.
2. Students will receive a username and password to log in on the AIGS platform.
3. Students can study and do the quizzes and exams on the platform.
4. Students must complete this course within 6 months.
5. Students must complete the theory exam online prior to attending the practical lab on-campus at AIGS Bangkok.
6. Students will receive an e-diploma after the successful completion of the course.