Your browser is no longer supported. For the best experience of this website, please upgrade to a newer version or another browser.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more

De Beers group logo

NAJ partners with De Beers on new diamond grading service

The National Association of Jewellers (NAJ) has announced it will partner with The International Institute of Diamond Grading & Research (IIDGR), part of The De Beers Group of Companies, on its new UK diamond grading service.