HRD Antwerp NV and Ciribelli have mutually signed a cooperative agreement, reports say. Ciribelli a jewellery headquartered in Monte-Carlo, is renowned for its workmanship and watch making engineering, and presently operates five leading luxury jewellery and watch stores in Monaco. %% The agreement will provide the company with customised HRD Antwerp diamond certificates. In turn, HRD Antwerp certificates would be promoted at the Ciribelli boutiques. HRD Antwerp considers this association as an opportunity to create a bond with the between the Antwerp diamond centre, and Monaco, jewellery distribution centre. It believes the partnership would also strengthen the commercial promotion of its certificates, backed by the repute of Ciribelli.