Authenticity you can rely on – Certified by PGTL
Verify Your CertificateAt PGTL, we combine state-of-the-art technology with the expertise of our certified gemologists to provide accurate and reliable gemstone testing services.
Our commitment to integrity and precision has made us Bangalore's most trusted gemstone laboratory for both individual clients and jewelry businesses.
ISO Certified Testing Procedures
Expert Gemologists with Decades of Experience
100% Accuracy Guarantee

Comprehensive testing and certification for all types of gemstones using advanced spectroscopic techniques.

Professional diamond grading services following international standards for cut, color, clarity, and carat weight.

Expert analysis of rough stones to determine quality, potential value, and optimal cutting approaches.

To ensure the authenticity of a rudraksha bead, you can use a combination of reliable lab tests and visual inspection.

Authenticity check of Karungali beads to ensure purity, originality, and traditional value.

Verification of natural crystal (quartz) quality, clarity, and genuine composition.

Examination of Tulsi wood beads for originality, natural texture, and spiritual authenticity.

Certification of bracelet material, quality, and authenticity for customer trust.
Jewelry Store Owner
"PGTL's certificates are trusted by all my customers. Their accurate testing has helped build my business reputation."
Gem Collector
"I've been using PGTL's services for years. Their detailed reports have saved me from making costly mistakes multiple times."
Diamond Importer
"The most reliable certification in Bangalore. Their diamond grading is precise and internationally recognized."