About UGI
Universal Gem Institute
Universal Gem Institute (UGI) is an independent gemological laboratory dedicated to gemstone authentication and certification. We provide professional grading reports that help buyers, sellers, and collectors verify the quality and authenticity of their gemstones with confidence.
Our mission is to deliver consistent, reliable, and expert gemstone identification services that are trusted by trade professionals worldwide. Every UGI report is registered in our secure verification system and can be confirmed instantly at www.ugi.report.
UGI upholds the principles of integrity, precision, and trust in every evaluation we perform — from laboratory-grown fine gemstones to natural specimens requiring detailed gemological analysis.
Integrity
Independent, unbiased evaluations.
Precision
Detailed metrics and grading standards.
Trust
Online verification for every report.