EGL USA - The world's most trusted name in Gemology  
Home About us Services Customer Login Research Consumer Education News For the Trade Contact us
Consumer Education
4 Cs
5th C : Certification
The EGL USA Certificate
Grading a Diamond
Grading Colored Gems
FAQ's
Brochures
Glossary


The EGL USA Certificate

EGL USA is a leading independent gemological institution and one of the most established names in the field of gemological certification.  The company has four laboratories in North America.  Each certificate number has a prefix of either "US" or "CA" to clearly identify that it was issued by a member of the EGL USA Group. 

Click here to see an enlarged certificate

Click here to see an Interactive certificate. (For Broadband users)

The following are some of the features and benefits that are available with the EGL USA certificate:

Features Benefits
Respected, well-established institution.

Each EGL USA diamond certificate is backed by over a quarter century of experience.

Provides more information than other certificates

Most labs provide only a small amount of cut information.  EGL USA diamond certificates give all the information consumers need to make intelligent comparisons.
Extensive security features

You can feel confident that the EGL USA certificate for your diamond is a genuine document due to extensive security features like lamination, the official EGL USA hologram, and subtle background screening.

Plotting diagram on all EGL USA certificates

The diamond's unique fingerprint is mapped out, thus providing another important key to its identity and authenticity.
Consumer support

EGL USA is the only lab that offers a consumer hot line. Its online searchable database can verify the authenticity of its diamond certificates.
State-of the-art research

Unlike most other laboratories, EGL USA is a full-service laboratory and research institution. It is one of only three major international labs focusing on diamonds that does in-depth diamond research.