AGI has been at forefront of diamond grading and certification since its inception almost 50 years ago, helping our customers achieve their goals. AGI offers a range of certification services, including a customised diamond sealing service and valuation reports, all of which are graded according to industry standards.

Since 1996, the AGS Laboratories has provided modern diamond grading services to members of the industry. Today, we continue with our innovative approaches to diamond grading and consistently adhere to the AGS consumer protection ethics and standards.

A.I.G.R. (American Institute Of Gemological Research) was founded in February of 1979 as an Independent Gemological Laboratory, devoted solely to the gemological research and monetary evaluation of gems and fine jewelry. All evaluations are backed by a micro-chemical analysis and state-of-the-art instrumentation.

Centre For Gem Studies is the only Educational and Research Organization in Kerala, that provides regular classes in Gemmology in par with any international standards. The centre has a Diamond & Gemstone Testing laboratory, which conducts Gem Testing for the public and for the Gem and Jewelry sector.

The DCLA is an independent grading laboratory, internationally affiliated and recognized. The laboratory does not sell, buy or trade in diamonds and is endorsed by the Jewellers Association of Australia (JAA). The laboratory is constantly updating equipment to keep abreast of the developments in treatments and detection methods.

Our mission is to take the guesswork out of buying a diamond or a precious stone. We do not sell diamonds or gems, nor do we make valuations, and we are totally independent of any diamond sales organization.

Established in 1974, EGL USA, as one of the leading gemological institutions in Northern America, offers the most comprehensive array of gem identification and evaluation reports in the industry. We are full service laboratory, providing services for diamond grading, colored diamonds, colored stones and pearls.

EGS offers the fine jewelry trade accurate, reliable gemstone identification and professional certification to validate their gemstone purchases.

GCAL is the only diamond grading company that provides traceable, identification and verification of diamonds to assure auditors, lenders and owners with specific matching of diamonds to accounting records.

The Gubelin Gem Lab presently has a staff composed of six gemmologists with a combined experience of gemmological analysis exceeding 90 years!