Exeptional Diamonds from the Karowe Diamond Mine in BotswanaLucara operator of the Karowe Diamond Mine close to Tsodilo's BK 16 ,an exploration project recently acquired, announced yesterday that it had sold 1647 carats for $68.7 million thereby averaging $41000 per carat. There were some absolute gems among them. A 342 carat stone sold for$20 mil ($58000 per carat) and a 270 carat stone for $16.5mil ($61000 per carat) Tsodilo's recent news release refers to the Karowe Diamond Mine as a reference.