Signaling a brilliant start to 2021, Lucara Diamond Corp. just unveiled a pair of 300-plus-carat, top-quality white diamonds from its prolific Karowe Mine in Botswana. The 341-carat and 378-carat, unbroken, Type IIa gems are the 54th and 55th diamonds greater than 200 carats to be recovered from Karowe since 2015. (Type IIa diamonds are colorless […]