Gemstone Testing
Colour, transparency, cut, weight, dimensions, and method-based report details for clear identification.
TRUSTED · ACCURATE · CERTIFIED
Jharkhand Gem Testing Lab
Dhanbad
Authentic Testing. Genuine Value.
Expert analysis and certification for Coloured Stones, Diamonds and Rudraksha – ensuring trust in every gem.
- Coloured Stone Testing Natural · Synthetic Identification
- Diamond Grading 4C Analysis · International Standards
- Rudraksha Testing Authenticity · Origin · Bead Count
About JGTL
Jharkhand Gem Testing Lab
At Jharkhand Gem Testing Lab (JGTL), we provide state-of-the-art gemological testing and unbiased certification services to ensure absolute confidence in every purchase. Equipped with precision analytical tools and managed by qualified gemological experts.
Our Services
Core Services
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Gemstone Identification & Certification Comprehensive physical and optical analysis to verify natural vs. synthetic, laboratory-grown, or treated gemstones (Sapphire, Ruby, Emerald, Diamond, Pearl, etc.).
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Treatment Detection Detailed screening for fracture filling, heat treatment, radiation, glass filling, and synthetic origin.
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Rudraksha & Organics Verification Scientific verification of genuine Rudraksha beads, coral, and natural pearls.
Laboratory Work
Testing built for clear identification
Professional gemstone reports prepared under gemologist supervision, with secure online verification for every certificate.
Rudraksha Testing
Certificate-ready documentation for customer confidence and professional record keeping.
Diamond Testing
Structured testing workflow with premium certificate output and online QR verification.
Secure QR verification
Verify Certificate
Every active report can be checked online with the certificate number or QR code.
Get in Touch
Ready to test your gem?
Bring your stone to our Dhanbad lab for professional identification and a verified JGTL certificate.
Gemologist
Shubham Prasad
JGTL · Dhanbad