Trusted Certification Laboratory
IJGL is Bangalore's leading laboratory for diamond, colorstone, and jewellery certification. Our expert gemologists use world-class equipment to provide the most reliable grading and certification for your gems and jewellery. Whether for loose stones or complete jewellery, IJGL ensures every report meets stringent international standards.
Certified Reports
Internationally recognized
Advanced Equipment
Spectroscopic analysis
Expert Gemologists
Decades of experience
Digital Verification
QR code authentication
What We Do
From individual gemstone grading to bulk jewellery certification, our laboratory provides precise, reliable reports.
Detailed identification, color analysis, treatment disclosure, and origin determination for colored gemstones.
Comprehensive 4C assessment for loose diamonds and bulk lots with precision evaluation and grading.
Multi-stone jewellery certification with complete documentation of stones and metal composition.
Large-format reports ideal for retail display and professional dealer transactions at scale.
About IJGL
IJGL is a premier gemological laboratory dedicated to providing accurate, unbiased certification for diamonds, colored gemstones, and fine jewellery. Our team uses state-of-the-art spectroscopic equipment to deliver reports you can trust.
From individual stone assessments to bulk grading for retail partners, we serve dealers, jewelers, and collectors with the same commitment to precision and transparency.
10K+
Certificates Issued
500+
Trusted Partners
15+
Years Experience
Our Capabilities
Using advanced spectroscopic analysis, we identify natural and synthetic gemstones with certainty. Our reports cover species identification, color grading, treatment disclosure, and geographic origin.
Our diamond grading follows international standards for the 4Cs. Each diamond is meticulously evaluated for cut quality, color grade, clarity characteristics, and precise carat weight.
Complete certification for finished jewellery including multi-stone identification, metal purity verification, and detailed photographic documentation.
Authenticate Your Report
Enter your certificate number or scan the QR code to instantly verify authenticity.
Scan the QR code on your certificate to verify instantly.
Why Choose Us
Industry-leading gemstone certification backed by technology and expertise.
Each certificate is individually verified with unique QR codes, ensuring every gemstone's authenticity can be confirmed instantly.
Tamper-proof digital certificates backed by secure infrastructure. Your gemstone data is protected with industry-standard security.
Used by leading gemstone dealers and jewelers. Our certification platform is trusted across the industry for accuracy and reliability.
Partner with IJGL for accurate, trusted certification that adds value and confidence to every transaction.