Welcome to Sri Valliammai Gem Experts Lab
Sri Valliammai Gem Experts Lab is Pudukkottai’s trusted center for gemstone, diamond, and jewellery certification. Our skilled gemologists use advanced testing equipment to deliver accurate and reliable grading reports. From loose stones to complete jewellery pieces, every certification is carried out following strict professional standards.
Learn MoreExpert Diamond & Colorstone Analysis
We specialize in diamond and colored stone identification and grading—covering cut, color, clarity, carat weight, treatments, and more. Each report is crafted with precision and supports jewellers, traders, and customers with transparent and trustworthy gemstone information.
Learn MoreJewellery Certification & Bulk Testing Services
From single jewellery pieces to bulk gemstone collections, Sri Valliammai Gem Experts Lab provides detailed certification including A3 jewellery reports. Our thorough testing and customized report formats are ideal for jewellers, retailers, and wholesalers across Tamil Nadu and beyond.
Learn MoreColorstone Report
Accurate identification and grading of colored stones with details on origin, treatments, and enhancements by our expert gemologists.
Diamond Report – Loose & Bulk
Professional certification for individual diamonds and bulk diamond lots, including 4Cs grading and complete transparency.
Colorstone Jewellery Report
Reliable certification for gemstone jewellery with detailed information on quality, enhancements, and authenticity.
Diamond Jewellery A3 Detailed Report
Comprehensive A3-format diamond jewellery grading reports with enlarged visuals and precise professional analysis.
Verify Your Report
Accuracy, Reliability & Expertise in Gem Certification
Sri Valliammai Gem Experts Lab in Pudukkottai blends advanced testing technology with deep gemological knowledge to deliver dependable diamond, colorstone, and jewellery reports. Every certificate is prepared with precision to ensure confidence and complete transparency.
- Expert identification and grading of diamonds, colored stones, and jewellery.
- Detection of treatments, enhancements, and gemstone authenticity.
- A3 detailed jewellery reports and bulk diamond analysis for professional requirements.
Our laboratory serves both single-piece certification and large-volume testing needs. With unbiased results and clear documentation, Sri Valliammai Gem Experts Lab is trusted by jewellers, traders, and customers across Tamil Nadu for accurate and professional gem certification.
Our Features
Sri Valliammai Gem Experts Lab is equipped with advanced testing instruments and skilled gemologists, delivering accurate and trustworthy certification services for gemstones, diamonds, and jewellery.
Precise Colorstone Identification
Sri Valliammai Gem Experts Lab provides accurate identification and classification of colored stones—whether natural, synthetic, or treated—ensuring clarity and confidence in every evaluation.
- Detailed spectroscopic and microscopic examination.
- Detection of origin indicators and enhancement treatments.
- Trusted certification preferred by jewellers and gemstone buyers.
Diamond Certification & Grading
Sri Valliammai Gem Experts Lab provides detailed certification for loose diamonds and bulk diamond lots, graded with precision for color, clarity, cut, and carat weight.
Our bulk grading services and clear documentation help jewellers, traders, and investors make informed decisions with complete transparency and trust.
Colorstone & Diamond Jewellery Reports
Comprehensive certification for all types of jewellery—solitaire pieces, multi-stone designs, and colored stone jewellery with accurate grading and treatment analysis.
- Grading based on recognized gemological standards.
- Detailed reports suitable for both retail and professional requirements.
- Ensures clarity, transparency, and confidence for buyers and sellers.
Detailed A3 Diamond Jewellery Reports
Our A3-format diamond jewellery reports offer enlarged grading layouts, detailed diagrams, and in-depth analysis ideal for auctions, high-value sales, and premium documentation.
Sri Valliammai Gem Experts Lab provides A3 reports that set a high standard for clarity and professionalism in diamond jewellery certification across Tamil Nadu.