Our Diamond Jewellery Report provides a detailed analysis of your diamond jewellery, including clarity, cut, carat, and color. Each report is issued by certified gemologists, ensuring accurate evaluation and authentication for buyers, sellers, and collectors.
Grading Report
The Grading Report offers a comprehensive assessment of gemstones based on internationally recognized standards. This includes evaluation of cut, color, clarity, and carat weight, helping you understand the true quality and value of your precious stones.
Color Stone Identification Report
Our Color Stone Identification Report accurately identifies and verifies colored gemstones such as rubies, sapphires, and emeralds. It provides detailed information about origin, treatments, and authenticity to give you complete confidence in your gemstones.
Color Stone Jewellery Report
The Color Stone Jewellery Report combines gemstone identification and jewellery assessment. It evaluates both the colored stones and the overall craftsmanship, providing a professional report for insurance, resale, or personal assurance.
At GRC, we are committed to transparency, accuracy, and professional service. Whether you are a jeweler, collector, or gemstone enthusiast, we provide dependable certification that adds credibility and trust to your precious investments.
Certified and experienced gemologists
Advanced testing equipment for precise results
Comprehensive reports on gemstone authenticity and quality
Trusted by jewelers and gemstone traders across Madurai
GRC Gem Testing Lab provided an accurate and detailed report for my diamond ring. The process was quick, and the staff were extremely knowledgeable. I feel confident about the authenticity of my jewellery now!
Priya R
Madurai
I got a grading report for my colored gemstones, and I was impressed by the thorough analysis. The team at GRC is professional and trustworthy. Highly recommended for anyone looking for reliable gemstone certification
Arjun S
Madurai
I got a grading report for my colored gemstones, and I was impressed by the thorough analysis. The team at GRC is professional and trustworthy. Highly recommended for anyone looking for reliable gemstone certification
What is the purpose of a gemstone certification report?
At the heart of the diamond industry lies diamond
A gemstone certification report verifies the authenticity, quality, and characteristics of your gemstone, including details like color, clarity, cut, and carat. It ensures transparency and builds trust for buyers, sellers, and collectors.
How long does gemstone testing take at GRC Gem Testing Lab?
Testing times vary depending on the type of gemstone and service requested. Most standard reports, such as diamond or colored stone identification, are completed within 1–3 business days.
Can GRC identify treated or synthetic gemstones?
Yes, our certified gemologists use advanced equipment to accurately identify treated, synthetic, or natural gemstones, providing detailed information about any enhancements or treatments applied.