Discover the True Brilliance
Jharkhand Gem Testing Lab offers world-class gemstone identification and diamond grading, backed by government recognition and ISO 9001:2015 certification.
Verify Authenticity
Ensure the legitimacy of your gemstone with our advanced digital verification system.
Our Legacy
Pioneers in Gemological Excellence
Established in 2012, Jharkhand Gem Testing Lab (JGTL) stands as a beacon of trust and precision in the world of gemology.
Recognised by the Government of Jharkhand, we utilize cutting-edge spectroscopic and microscopic technology to deliver highly accurate gemstone identification and grading reports. Our team of GIA-certified gemologists brings decades of collective experience to ensure every stone's unique story is told with absolute certainty.
100k+ Stones
Tested
Govt. Recognised
Facility
What We Do
Premium Laboratory Services
Precision, Integrity, and Excellence in every analysis.
Gemstone ID
Comprehensive analysis to identify natural, synthetic, and treated gemstones with absolute certainty.
Diamond Grading
Accurate assessment of the 4Cs (Color, Clarity, Cut, Carat) following strict international standards.
Jewellery Testing
Detailed quality checks and metal purity analysis for finished jewellery pieces.
Consultation
Expert advice for buyers, sellers, and collectors regarding market value and gem quality.
Get in Touch
We'd Love to Hear From You
Have a question about our services or need to verify a complex certificate? Reach out to our team of experts.
Laboratory Location
JGTL Complex, Main Road
Dhanbad, Jharkhand, India
Phone Number
+91 98765 43210
Mon-Fri, 9:00 AM - 6:00 PM
Email Address
info@jgtl.co.in
support@jgtl.co.in