Gemstone Abbreviations and Acronyms

1. AGL
   American Gemological Laboratories
2. AGTA
   American Gem Trade Association
3. AGTA
   American Gem Traders Association
4. AIGS
   Asian Institute of Gemololical Sciences
5. BPI
   Borneo Productions International
6. GAAJ
   Gemological Association of All Japan
7. GCAL
   Gem Certification & Assurance Lab
8. GJX
   Gem & Jewelry Exchange
9. GY
   Greenish Yellow
10. IGC
    Imhan Gems Collection
11. IGS
    Internationaligem Society
12. LMHC
    Laboratory Manual Harmonization Committee
13. NGJA
    Nationpl Gem and Jewellery Authority
14. PRIM
    Presidium Refractive Index Meter
15. SHL
    Stéphane Humbrrt Lucas
16. SI2
    Slightly Included 2
17. TGJTA
    Thai Gem & Jewelry Traders Association

Last updated: January 4, 2020 — Total entries: 17