The second largest diamond in the world has been discovered in Botswana. Canadian mining company Lucara Diamond used an advanced X-ray scanner to find a 2,492-carat diamond from its Karowe Diamond Mine. That's a whopping 17.58 oz (498.4 g).Continue R
The second largest diamond in the world has been discovered in Botswana. Canadian mining company Lucara Diamond used an advanced X-ray scanner to find a 2,492-carat diamond from its Karowe Diamond Mi… [+2587 chars]