Program aims to educate young consumers about mined stones’ positive qualities.
Appointment follows resignation of Ari Epstein.
Resignation to take effect next Tuesday, trade group says.
Operations at Gahcho Kué, Ekati and Diavik continue unhindered.
Belgian lab sues former Istanbul partner amid bitter split.
Bloc proposes fresh package of restrictions.
Some customers had problems sending money following September sale.
Current terms will remain in effect until June 2023.