Applicants must be at least 18 years old and have a minimum of a high school diploma or equivalent.
Applicants under the age of 18 years must have the signed permission by a parent or legal guardian.

Admissions are not granted to applicants under the age of 16.


Applicants enrolling in AIGS courses are required to have good English communication.

All classes are taught in English unless otherwise indicated. Students who enroll in courses should have a good command in reading, writing, understanding, and speaking English. Assistance in English will not be provided by AIGS.


Applicants do not need to have experience in gems or jewelry for any AIGS courses.

In order to be considered for entry into Synthetic and Treated Gem Identification course, students are expected to have completed Gem Identification at AIGS or an equivalent course at another recognized gemological education provider.

  • Complete the online application form for your interested course(s). Click "Register Now" to fill in the form. Our course list is available here:
  • Full payment of the course fees must be received in order to confirm and guarantee your space in the course. Seating is limited and is done on a first-come, first-served basis.
  • Please also send a passport copy (or Thai identify card) and passport photo to
  • AIGS will send you a confirmation email when all steps are completed.

International students must obtain necessary visas before arriving in Thailand. We recommend you check with the Thai Embassy or Consulate in your country of residence. It is the responsibility of students to comply with the immigration laws in Thailand.

For short courses, a tourist visa may be sufficient. Longer courses such as the Accredited Gemologist (A.G.) Program may require an ED-Visa.


Students who require an Education Visa (ED-Visa) should make arrangements at least 60 days before the course begins. Please note a non-refundable visa processing fee of $180 USD applies.

For more information about Thailand visas, please visit the Thai Immigration Bureau website.


AIGS reserves the right to cancel a course at any time. Students receive a 100% refund for courses cancelled by AIGS.

You may cancel your enrollment prior to the course start date. All cancellation requests must be in writing and e-mailed to

Course fee refunds are determined by when the cancellation request is received:

  • 28 days or more prior to the course start date - AIGS refunds 80%
  • 15-27 days prior to the course start date - AIGS refunds 50%
  • Less than 14 days prior to the course start date - no refund is applicable

Students may opt to reschedule to a future course in lieu of cancellation. AIGS is not responsible for any related expenses such as visa, bank fees, flights, accommodation, etc.

Refunds are processed within 30 days of when the request is received. Bank transfer fees for refunds are borne by the receiver.

If a course is cancelled due to unforeseen circumstances outside of AIGS control such as COVID-19, government restrictions, etc. no refund is applicable, however students may reschedule to a future course date of their convenience.

Disclaimer: The information included within this prospectus represents the situation at the time of publication only. AIGS therefore reserves the right to make subsequent changes, including scheduling or pricing updates, and will not be liable for any problems arising from such alterations. For more information, please contact the AIGS registrar.