AIGS The worlds's authority on colored gemstones Providing you with the most important information regarding gemstone ORIGINS, TREATMENTS and QUALITY GRADES.

Accredited Gemologist Diploma

Information about our flagship Accredited Gemologist (A.G.) Diploma program.

Other AIGS Courses

Information about other AIGS diplomas, week-long courses and two-day short courses.

AIGS Instructors

Our instructors are active within every facet of today's gem and jewelry industry.

Accommodation in Bangkok

Hotels, hostels and apartments located in and around Bangkok's Gem District.

AIGS Scholarships

We are currently accepting applications for our Accredited Gemologist scholarship award.

AIGS Volunteer Program

Providing an opportunity to participate in volunteer projects within the industry.

Application Guidelines

Information regarding entry requirments and enrolment procedures for AIGS courses

Download Schedule (2017)

The 2017 schedule for all AIGS Diploma programs and short courses.

Frequently Asked Questions

Answers to frequently asked questions about AIGS courses, facilities, instructors and prices.

Visas to Thailand

Advice for prospective students about acquiring an entry visa into Thailand.

Latest News

18 Aug
Special offer AIGS 40th Anniversary: Only first 10 students. Special offer AIGS 40th Anniversary celebration payment must be paid 31 Aug 2017 read more

13 Sep
2017 A.G. Program: Enroll & Pay 4 Months in advance to get a FREE field trip to Sri Lanka read more

AIGS : AIGS Job Opportunity

AIGS Graduate Vacancies