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Gemstones are precious and valuable, so its very important to check if they are real before buying them. Gemstone testing laboratories help you do this by providing certificates that prove a stone is genuine and high quality. Here is a detailed guide to the top 10 gemstone testing laboratories in India.
List of Top 10 Gemstone Laboratories in India
1. GIA:- Gemological Institute of America
- Address: 10th Floor, Trade Centre, Bandra Kurla Complex, Bandra (East), Mumbai, 400098
- Phone: +91 22 40851500
- Website: gia.edu
GIA is the most famous gemstone testing lab in the world. It was started in 1931 and is known for checking the 4Cs of diamonds and gemstones: Cut, Clarity, Color and Carat. This lab uses very strict methods to make sure every gemstone is real and high-quality. Even though it is based in the U.S., it has a strong presence in India because many GIA-trained experts work here. People trust GIA certificates worldwide. Their reports explain every detail of the gemstone so buyers know exactly what they are getting.
2. IGI:- International Gemological Institute
- Address: 702, The Capital, Bandra Kurla Complex, Bandra (E), Mumbai 400051
- Phone: +91 22-40352550 / 8001028610
- Email: india@igi.org
- Website: igi.org
IGI started in Belgium in 1975 and has grown to be one of largest gemstone and diamond testing labs in all around world. It has many centers in India, including Surat and Mumbai. IGI provides detailed reports about gemstone’s quality and origin. These reports help buyers know where gemstones come from and its exact characteristics. Since May 2023, it is owned by Blackstone Group. IGI is trusted by both jewelers and buyers for its precise testing methods and accurate certificates.
3. GII:- Gemmological Institute of India
- Address: 501/502, Mehta Bhavan, 5th Floor, Raja Ram Mohan Roy Marg, Charni Road (East), Mumbai 400004
- Phone: 022-23889232
- Website: giigemlab.com
GII is India’s first gemstone testing lab. It was started in 1971 by Gem & Jewellery Exporters Association. GII provides gemstone certificates, research and training for students and professionals. Indian government recognizes it as Scientific and Industrial Research Organisation. GII also helps in developing new methods for gemstone testing and improving quality standards. Many exporters and buyers in India rely on GII for authentic and reliable gemstone reports.
4. IIGJ:- Indian Institute of Gems & Jewellery
- Address: Bagmal Laxmichand Parikh Campus, Plot No. 111/2, 13th Road, MIDC and heri (E), Mumbai 400093
- Phone: +91 22-42906666 / 08879026633
- Website: iigj.org
IIGJ is run by Gem & Jewellery Export Promotion Council (GJEPC). It provides both education and gemstone certification in India. Though it is mostly a training institute. Its lab reports are reliable and widely trusted. The institute teaches students how to identify real gemstones and provides hands-on experience with testing instruments. IIGJ’s certificates are recognized by buyers across India, making it an important lab for both education and quality verification.
5. MGTL:- Mewar Gem Testing Laboratory
- Address: 23, Khanjipeer Main Rd, Jawahar Nagar, Ganga Gali, Udaipur, Rajasthan 313001
- Phone: 98080 14444
- Website: mgtludaipur.com
MGTL started in 2008 and is one of the top gemstone labs in Rajasthan. It is ISO-certified and has experts trained at international labs like GIA and IGI. MGTL tests gemstones, diamonds and even rudrakshas using modern instruments. The lab also provides origin certificates to prove where a gemstone comes from. MGTL is trusted by both jewelers and individual buyers for accurate and detailed gemstone reports.
6. IGITL:- International Gem Institute Testing Lab Pvt Ltd
- Address: 1307, Kedia Building, Left Chowk, 3rd Floor, Gopal Ji Ka Rasta, Johari Bazar, Jaipur, Rajasthan 302003
- Phone: 0141 257 4967
- Website: igitl.com
IGITL is an ISO-accredited lab in Jaipur. It is well-known for accurate gemstone testing and issuing certificates quickly. Their reports include detailed information about color, clarity and carat weight. IGITL is trusted for its professional services and consistent results. It is also popular among local jewelers for verifying gemstones before sale.
7. Pangem Enterprises & Pangem Testing Laboratory
- Address: 10 Tadiwala Road, Sangeeta Apartments, Sangamwadi, Cantonment Residential Area, Pune 411001, Maharashtra
- Phone: 08047631927
- Website: pangemtech.in
Pangem provides gemstone testing, certificates and gemology courses. It is based in Pune and is an established lab in western India. Pangem also trains students and professionals in gemstone identification and grading. Their lab reports are detailed and reliable, helping buyers know the exact quality and origin of each gemstone.
8. AIGS:- Asian Institute of Gemological Sciences
- Address: 48th Floor, Jewelry Trade Center, 919/539 Silom Rd, Khet Bang Rak, Bangkok, Thailand
- Phone: +66 2 267 4315
- Website: aigsthailand.com
AIGS started in Bangkok in 1978. It gives detailed gemstone and pearl reports. Its certificates are valued worldwide for accuracy and trust. AIGS uses modern technology to study gemstones and pearls carefully. Many international buyers depend on AIGS for correct grading and quality verification.
9. IGL:- International Gemological Laboratories
- Address: B-45, Lower Ground Floor, Opp. Archana Shopping Complex, Greater Kailash I, New Delhi 110048
- Phone: 08595873577
- Website: igl-labs.com
IGL, based in Jaipur and ISO-approved, provides fast and reliable gemstone certificates. Buyers and traders in India trust its lab reports for authenticity. Their reports include all important details about color, clarity, weight and origin. IGL is known for professional staff and quick turnaround time, which makes it a preferred choice for many jewelers.
10. AGS:- American Gem Society
- Address: 8881 W. Sahara Ave., Las Vegas, NV 89117, USA
- Phone: (866) 805-6500
- Website: americangemsociety.org
AGS started in 1934 and is famous for setting high standards in gemstone grading. Its certificates follow the 4Cs and are trusted worldwide. AGS reports are very transparent, showing buyers exactly what they are paying for. Indian buyers also rely on AGS for trustworthy certification. The lab is respected for its clear grading system and honest evaluations of gemstones.
Conclusion
Gemstone certification is not just a formality, it is only way to make sure that the gemstone you are buying is natural, original and of true value. With so many fake and treated stones in the gemstone market. Choosing a trusted gemstone testing laboratory becomes very important. The above listed top 10 gemstone testing laboratories in India, along with their global connections are well known for their accuracy, transparency and reliability. Whether you are jeweler, collector or simply someone investing in gemstones, always look for certification from one of these reputed labs to ensure you get complete authenticity and peace of mind.
