AIGS has reopened
AIGS Lab has moved up to the 48th Floor
together with the AIGS School
Please send your stones to JTC 48th Floor.
+66 (0) 2267-4325
Accredited Gemologist Diploma
"World's Best Color Stone Education"
Internationally Renowned Guest Speaker Appearances.
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Lab Gemologist Museum Curator Wholesaler Designer KICK-START YOUR CAREER Researcher Bench Jeweler Appraiser/Valuer Retail Supervisor
The AIGS MASTER GEMSTONE REPORT (MGR) provides the most important information regarding gemstone ORIGINS, TREATMENTS and QUALITY GRADES.
The AIGS Lab serves both the gem and jewelry industry and the public alike with a comprehensive range of gemstone and
jewelry analysis reports.
In 1977, Jeff Wildman (USA) and AIGS Chairman Henry Ho (Thailand)
invented the "Porta-Lab", which was the world's first portable gemological laboratory.
The AIGS laboratory is equipped with EDAX, FTIR, LIBS, UV/VIS and DFI technology.
Please note that this service is only applicable to reports issued after 1st August 2011.
Service and contact information for AIGS offices and take-in windows in Thailand, Japan and Sri Lanka.
Provides diamonds with a color, clarity and cutting grade, as well as testing for synthetics and treatments such as glass-filling.
Provides all necessary information regarding origin and treatments for colored stones, as well as a star rating system to represent quality.
Contains all relevant information regarding past enhancements, or a lack thereof. When possible, a geographical origin is also provided.
Provides classification and quality grades for jadeite, as well as a variety determination using the exclusive AIGS color chart.