In order to mark the 60th anniversary of The World Federation of Diamond Bourses (WFDB), a meeting of the Presidents is being held held in Amsterdam, the Netherlands, from June 24 to 26.Vereniging Beurs voor den Diamanthandel, the Amsterdam Diamond Exchange, is hosting the event.%%The Presidents of teh 26 diamond bourses affiliated to WFDB would meet to discuss ongoing issues and to prepare the agenda for the congress for teh coming year.