Lucara Diamond Corp. has announced the recovery of a 1,758-carat diamond from its Karowe Diamond Mine in Botswana – “one of the largest diamonds in recorded history, the largest diamond recovered in Botswana, and the largest diamond to be mined at Karowe to date”.
Lucara said that the unbroken 1,758 carat stone weighs close to 352 grams and measures 83mm x 62mm x 46mm. It has has been characterized as “near gem of variable quality, including domains of high-quality white gem”.
The diamond was recovered using Lucara’s XRT circuit technology, which since 2015 helped to find 12 diamonds in excess of 300 carats, including two diamonds greater than 1,000 carats. Eira Thomas, Lucara’s CEO, commented: “Lucara’s technologically advanced, XRT diamond recovery circuit has once again delivered historic results. Karowe has now produced two diamonds greater than 1,000 carats in just four years, affirming the coarse nature of the resource and the likelihood of recovering additional, large, high quality diamonds in the future […]”.