Laboratory record
American International GemLab
AIG issues coloured stone, jewellery and diamond reports from the Jewelry Trade Center in Bangkok, and states that it provides enhancement and country-of-origin reports.
The record
HeadquartersBangkok, Thailand
Kind of bodyReport issuer
Country-of-origin opinionsIssued
StatusIssuing reports
What it covers
DiamondColoured stoneOrigin determinationTreatment detection
Reports it publishes
Named as the laboratory names them on its own site. Report contents and wording are set by the laboratory, not by us.
- Colored Gemstone Certificate
- Jewelry Certificate
- Diamond Certificate
- Laser Inscription
Worth knowing
Self-describes as registered in Delaware, United States, with its testing address at the Jewelry Trade Center, Silom Road, Bangkok.
Compiled from aigllabs.com, read on August 18, 2026.
We verify dealers, not stones. A laboratory report describes one stone on one date; it is not a guarantee of value, and it is not ours to stand behind.