AIGS is going to Mogok!

    Join us!

    From 28th Nov to 2nd Dec 2018


  • 40 Years of Excellence
  • Special AIGS 40th Anniversary Offer!
    Register and pay for the September 2018 session
    of our Accredited Gemologist program before
    30th May and get a free field trip to Sri Lanka
    and 2 weeks training in the AIGS Lab!

  • AIGS would like to say thanks
    to all of our guest speakers!

    Andrey Cody,
    Jeffery Bergman,
    Vincent Pardieu, and
    Ann Udomwongkul.

    You have inspired us to become better
    gemologists and better gem traders.



  • Lab Gemologist     Museum Curator      Wholesaler
    Designer     KICK-START YOUR CAREER   Researcher
    Bench Jeweler       Appraiser/Valuer    Retail Supervisor

    Check out our options and features.
  • Providing you with the most important
          information regarding gemstone...

        and QUALITY GRADES

AIGS 全球彩色宝石的权威机构 为您提供有关宝石产地、优化处理和分级的重要信息。

Gain the trust and confidence of your customers!

The AIGS MASTER GEMSTONE REPORT (MGR) provides the most important information regarding gemstone ORIGINS, TREATMENTS and QUALITY GRADES.

Lab Services

The AIGS Lab serves both the gem and jewelry industry and the public alike with a comprehensive range of gemstone and jewelry analysis reports.

Lab Milestones

In 1977, Jeff Wildman (USA) and AIGS Chairman Henry Ho (Thailand) invented the "Porta-Lab", which was the world's first portable gemological laboratory.

Lab Technology

The AIGS laboratory is equipped with EDAX, FTIR, LIBS, UV/VIS and DFI technology.

Online Report Verification

Please note that this service is only applicable to reports issued after 1st August 2011.

Overseas Offices

Service and contact information for AIGS offices and take-in windows in Thailand, Japan and Sri Lanka.

Classification of Treatments

Descriptions of the various AIGS detection methods and grading systems for colored stones, diamonds and jadeite.