De Beers agrees to give Botswana more rough diamonds in new sales
De Beers-Botswana deal signals rocky road for rough diamonds
De Beers extends 10-year Botswana sales deal - FurtherAfrica
De Beers, Botswana extend Debswana diamond sales agreement to June
De Beers prospects blemished after Botswana cuts new diamond deal
De Beers prospects blemished after Botswana cuts new diamond deal
De Beers, Botswana extend diamond sales deal by a year
Botswana seeks new De Beers diamond sales deal - Moneyweb
De Beers and Botswana strike deal on diamond sales after tense talks
AS BOTSWANA'S SALES AGREEMENT WITH DE BEERS SET TO EXPIRE
De Beers Buys Another Year to Strike Diamond Deal With Botswana