HRD Antwerp is the subsidiary of the Antwerp World Diamond Centre (AWDC), a private foundation which represents the Antwerp diamond industry worldwide.

Located in the heart of the diamond centre, HRD Antwerp has been serving the international diamond industry for more than 30 years. HRD Antwerp operates six services: Diamond Lab, the first ISO-certified diamond grading lab, which issues one of the world's most respected diamond certificates; Precious Stones Lab; Education; Graduates Club; Equipment and Research.

HRD Antwerp stands for quality, tradition and the highest industry standards.

By entering a valid certificate number and weight the HRD Antwerp Certificate Link gives you the opportunity to check on the internet the details of your Diamond Certificate, your Colour Certificate or your Diamond Identification Report issued after January 1, 2005.

From January 1st HRD Antwerp has launched new certificates with a refined cut grade.




Accessible in 5 languages the HRD Antwerp certificate link connects you directly to our extensive database where we keep your ISO certified details of your diamond for 10 years.
For more information please contact the HRD Antwerp - Diamond Lab: +32 3 222 06 31 or e-mail diamondlab@hrdantwerp.be

Please enter the following information to confirm your certificate:
Certificate Number:
Carat (weight):
Limitations and Restrictions
The report on HRD Antwerp Certificate Link is intended exclusively to help confirm that the certificate number and examination results of the diamond provided by the user of this service correspond to an existing non-digital Diamond Certificate, Diamond Identification Report or Diamond Colour Certificate archived in the HRD Antwerp certificate database. HRD Antwerp does not make any representations or warranties regarding the information returned by the Report on HRD Antwerp Certificate Link. The Report is not a HRD Antwerp Diamond Certificate. The Report and the information returned by the Report are subject to all the notices, guarantees and limitations of liability included in the corresponding non-digital Diamond Certificate, Diamond Identification Report or Diamond Colour Certificate with the certificate number.