Watch the Botswana president's reaction to the world's second largest diamond ever found which is 2,492 carat. To put it in perspective, a 1,109 carat diamond, unearthed at the same mine in 2016, was bought for $53m by London jeweler Laurence Graff. https://t.co/jFPfoEKNd6 https://video-cf.twimg.com/ext_tw_video/1827808102491529216/pu/vid/avc1/716x752/_7WFUkrRrwnw4a8O.mp4?tag=12