Professional Gemological Laboratory Services
Independent gemstone testing, diamond examination, treatment detection, and official laboratory reporting.
Comprehensive Testing & Analysis
Engineered for gemologists, jewellers, retailers, and gemstone collectors seeking reliable scientific documentation.
Gemstone Testing
Optical, physical, and refractometric examination of precious and semi-precious gemstones.
Diamond Testing
Comprehensive characterization of natural, lab-grown, and treated diamonds.
Gemstone Identification
Definitive mineral species and variety determination.
Treatment Detection
Detection of thermal heating, clarity enhancement, glass filling, and diffusion.
Grading Services
Systematic quality grading of diamonds and colored gemstones.
Jewellery Examination
Non-destructive analysis of mounted gemstones set in finished jewellery.
Laboratory Submission Process
Five simple steps from specimen intake to report verification.
Submit
Deliver specimen to IGL intake counter.
Examine
Optical microscopy & physical measurement.
Test
Spectroscopic & diagnostic analysis.
Analyze
Double-blind analyst data review.
Report
Physical report & QR digital release.
Discover the IGL Difference
Professional Testing · Trusted Certification · A Brighter Tomorrow