Gaborone: A 1,080.1-carat Type lla white gem-quality diamond was discovered in Botswana, announced Lucara Diamond, a Canadian diamond producer, in a statement. The diamond, measuring 82.2 x 42.8 x 34.2 mm, was recovered in the Coarse XRT unit at Karowe Diamond Mine in north-central Botswana, about 512 km from