Sam Walsh's bonuses, potentially worth millions, had been delayed for at least two years as investigations continue into dubious payments related to Simandou iron ore project in Africa.
Gahcho Kué, owned by De Beers Canada and Mountain Province Diamonds, is expected to produce around 54 million carats of rough gems over its 12-year lifetime.
Joy will pay a dividend of $0.01 per share by March 31, provided that the proposed merger with Komatsu America Corp. does not close before the close of business on March 17, 2017.