diamond

A diamond believed to be the third largest ever found has been put on display in Botswana. The stone - weighing 1,098 carats - was shown to President Mokgweetsi Masisi, two weeks after the diamond firm, Debswana, unearthed it. The huge gem is only slightly less heavy than the world's second-largest diamond which was also found in Botswana in 2015. Botswana is Africa's largest producer of diamonds. "This is the largest diamond to be recovered by Debswana in its history of over 50 years in operation. From our preliminary analysis it could be the world's third largest gem quality stone."…