Welcome to SGDL Shriram Gems & Diamond Lab
SGDL is Jodhpur’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, SGDL ensures every report meets stringent international standards.
Learn MoreDiamond & Colorstone Report Specialists
Our laboratory specializes in loose diamond and colored stone reports—covering cut, color, clarity, carat, treatments, and origin. Each certificate provides detailed analysis for buyers, sellers, and collectors, supported by in-depth expertise and the latest technology.
Learn MoreJewellery Certification and Bulk Analysis
From solitaire rings to bulk diamond lots and colorstone jewellery, SGDL provides certification including detailed A3 jewellery reports. Our rigorous bulk grading and tailored certificates serve jewellery retailers, exporters, and discerning customers across India and abroad.
Learn MoreColorstone Report
Certified grading and identification for colored stones with origin, treatments, and enhancement detection at SGDL Jodhpur.
Diamond Report Loose & Bulk
Professional certification for single diamonds and bulk diamond consignments, with 4Cs grading and full transparency.
Colorstone Jewellery Report
Get assured and detailed certification for colored stone jewellery—quality, enhancements, and authenticity reports by SGDL.
Diamond Jewellery Detailed A3 Report
Exclusive A3 format diamond jewellery grading reports—comprehensive analysis and enlarged certificates for professional presentation.
Verify Your SGDL Report
Precision and Trust in Gem & Jewellery Certification
SGDL Jodhpur combines advanced analytical tools and gemological expertise to deliver trusted diamond, colorstone, and jewellery reports. Every client receives internationally accepted, detailed certifications ensuring clarity and peace of mind.
- Colorstone, diamond, and jewellery identification and grading.
- Treatment/enhancement detection for precious stones and jewellery.
- A3 size reports and bulk diamond grading for professional needs.
Our Jodhpur lab is equipped for bulk analysis and single item certification, providing transparent, unbiased results trusted by retailers and collectors across India. SGDL brings the gold standard of certification to Jodhpur’s jewellery market.
Our Features
SGDL features the latest equipment and experienced gemologists to provide comprehensive, reliable certifications for every need.
Accurate Colorstone Identification
SGDL identifies and classifies colored stones—natural, synthetic, or treated—with precision and reliability for market confidence.
- Advanced spectroscopic and microscopic analysis.
- Origin and treatment detection included.
- SGDL certificates trusted by jewellers and investors.
Diamond Certification and Grading
Comprehensive reports for loose diamonds and bulk consignments, graded for color, clarity, cut, and carat—accepted globally.
Bulk diamond reports and detailed documentation to empower sellers, buyers, and investors with transparent information.
Colorstone & Diamond Jewellery Reports
Get certification for all your jewellery—solitaires, multi-gem pieces, and colored stone jewellery with full grading and treatment details.
- Internationally recognized grading standards.
- Complete reports for professional and retail use.
- Transparency and trust for buyers and sellers alike.
Detailed A3 Diamond Jewellery Reports
Our A3 diamond jewellery reports feature large-format grading, with advanced details and diagrams for auctions or serious buyers.
SGDL’s A3 certification is the gold standard for diamond jewellery sales documentation in Jodhpur and beyond.