Trusted Experts in Gem and Diamond Testing
Behind the Certification
Astro Gemological Lab is a trusted and professional gem testing service located in Karaikudi. Founded in 2025 by Mr. V. Alagusundaram, our lab is committed to providing accurate, scientific, and reliable gemstone and diamond certification services.
We specialize in the analysis and authentication of natural gemstones and diamonds. Using advanced testing equipment authorized by the Gemological Institute of India (GII), we ensure each stone is thoroughly examined for its quality, origin, and authenticity. Every gemstone tested at our lab is issued with a certified report that clients can trust.
At Astro Gemological Lab, our goal is to build confidence among customers, traders, and jewelers by delivering trustworthy results that support informed purchasing and selling decisions.
Whether you're an individual buyer, a jeweler, or a collector, our commitment remains the same: Precision, Transparency, and Trust.
Experience, Expertise and Authenticity in Gemmology
In modern world gem identification certificate is essential for all customers. We are in gem & jewellery field about three decades.
We have well equipped lab to give authenticity certificate.
My grand father Alagappa Achary who is famous artistic work in diamond & gem jewellery. He is well known in Chettinad area. He was the first President for Vishwakarma Society at Karaikudi. My father A. Venkatachalam alias Babaji BSc Gemmologist and Astrologer experienced in gem & jewellery field about 40 years. Gemmologist to detect diamond, precious, semi precious gems & rough stone also.
We have well equipped lab to give authenticity certificate.
We expect your support from business peoples and customers.
Certified Professional Gemmologist
Forum of India Gemmologists For Scientific Studies
Certification for Seminar and Project Presentation
Gemmological Institute of India
Certification for Diploma in Gemmology Certification
Vision
To be the most trusted gem and diamond testing lab, delivering accuracy, transparency, and confidence in every report.
Mission
To provide precise, scientific testing and certification services using advanced GII-authorized equipment, ensuring authenticity and quality for every gemstone and diamond.
