Gemstone Lab certificates issued by the following Trusted Laboratories, which are the best in the business.
Gem Research SwissLab – GRS, is a private independent gemmological research laboratory, founded in 1996 by Dr Adolf Peretti. GRS research has focused principally on the identification and characterization of high-quality gemstones from newly discovered mines, as well as determination of origin for gems derived from classic mining regions.
Their research laboratories located in key global sites are equipped with the latest most sophisticated technology to recognize and identify today's advanced gemstone treatments.
The Gemmological Institute of America (GIA) is a non-profit institute dedicated to research and education in the field of gemmology and jewellery arts. Founded in 1931, GIA's mission is to protect all buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality.
In the 1940s, GIA established the "4 Cs" (Cut, Carat, Clarity and Colour) and the International Diamond Grading System™.
Gübelin (est. 1854) began when a young man opened up a watch shop in Lucerne, Switzerland. However, it wasn't until the 1920s when they opened up a gem testing laboratory to test the jewels they put in the watches. The company grew bigger and got handed over to younger generations, who stuck to their traditions and kept the integrity of the company throughout the years.
With a long history of significant experience, Christian Dunaigre Consulting (est. April 2008) is one of the best independent and accomplished gem certification laboratories. Having knowledge and experience gained from studying and working at renowned Gem institutes like AIGS and Gübelin, Mr. Dunaigre set up C. Dunaigre Consulting in Switzerland.
IGI is the largest international laboratory for diamond and colored gemstone certification. It is the only international certification lab which is controlled by single central governing body that sticks to one internationally acknowledged system for diamond and colored gemstone grading.
The Indian Gemmological Institute (IGI-GTL-GJEPC) (est. 1978) is known for rendering unprejudiced gem related testing and research to the Gem and Jewellery Industry as well as the public, along with providing guidance in research and development to government agencies and gemmology schools.
Shri Zaveri Mahajan Moti Testing Center, located in Mumbai is a recognized name in the city, popular for their amazing collection of jewellery, which ranges among various different styles and trends. They also certify pearls, tested and examined by their experts.
International Testing Lab Gems and Jewellery (ISO 9001:2008 Certified) is known for its sophisticated methods of gem testing. The gems are tested by two highly experienced and qualified gemologists separately and a correlated report is issued.
ISKON Gem Testing Laboratory, Jaipur is an independent certification organization dedicated to the trust of the customers through their certifications. Their tests and testing methods are known to be fair, accurate and equal, in accordance to the standards of top laboratories around the world.
JBN Gem Testing Lab is a mercantile company with a team of skilled gemologists and each member understands the worth of precious minerals in the global trade magnification. They are the proud owners of an exclusive and voluminous gem specialised library, filled with books about gems and jewellery.
AGR Gem Testing Lab: Advance Gem Research Laboratory International (AGRL) is an ISO 9001:2015 Certified Testing Laboratory based in Jaipur, Rajasthan that is known to provide genuine services in the respective fields of Gemstone Identification, Gemstone Treatment Identification, Gemstone Origin Identification.
International Testing Laboratory & Gems Research Center (ITLGR), an ISO 9001:2015 Certified Testing Laboratory is known to maintain the international standards for gemstone testing. They are providing services for Gemstone Identification, Gemstone Treatment Identification, Gemstone Origin Identification.
Global Gem Testing Laboratory (GGT) is an independent gemological research laboratory. GGT has specialized in identifying gemstones, for instance, analyzing the enhancement of gemstones, identifying rare gemstones and grading diamonds.
ICA | GemLab are experts in the origin determination and treatment detection of colored gemstones. GemLab expertise comes from unique ability to combine knowledge of renowned gemologists with the latest technology available to meticulously inspect your gemstone and determine more than 40 geographical deposits.
Gemtrue is a renowned gemological laboratory based in Jaipur that provides detailed Gemstone and Diamond report services, verifying its authenticity, quality, and characteristics. The Lab certificate provided serves as an official record confirming the identity and properties of the gemstone.
The Indian Institute of Gems & Jewellery (IIGJ) is an initiative of GJEPC established for sustainable development in the Indian gem & jewellery industry. It is the country's premier facility for certifying coloured gemstones, diamonds, and jewellery.
The Asian Institute of Gemological Sciences (AIGS) was founded in 1978. It came to be known as one of Asia's first international gemological institutes to provide professional and comprehensive gemstone and jewellery reports.
Bellerophon is an independent gemmological laboratory created to provide a comprehensive gemological authentication. The institute has been setting consistent standards in transparency, timely delivery of gem grading certificates.
Gemological Institute of India (GII) is a project of the Gem and Jewellery Export Promotion Council (GJEPC). It is one of India's most progressive and benchmark setting institutes providing diamond and coloured stone testing reports.
GJSPC Laboratory is an independent gemological lab dedicated to the testing of Rudraksha and other gemstones. It is the first of its kind laboratory to have its own natural diamond master stone set to grade colour diamonds.
