Welcome to the website of the
Diamant Prüflabor GmbH Idar-Oberstein

Nowadays bigger diamonds are sold only with certificates.

Experts know:
It is very important which laboratory issues the certificate.
In the certificates of the Diamant Prüflabor you can trust.

The Diamant Prüflabor has been officially accredited in February 2002 by the DAP (German Institute for Accreditation Test Procedures) as providing legitimately its results according to the international standard DIN EN ISO/IEC 17025:2005 for the grading of polished, unmounted natural diamonds.