EXCELLENCE SINCE 1998
Precision in Every Facet
World-class gemstone certification and grading laboratory.
Verify Your Report
Instantly validate the authenticity of your ICGL certificate.
Our Expertise
View AllDiamond Grading
Comprehensive 4Cs analysis and light performance.
Identification
Advanced chemical & spectroscopic testing.
Origin Report
Geographic tracing of colored gemstones.
Treatment
Detection of heat, radiation, and filler treatments.