RAPAPORT... Lucara Diamond Corp.’s sales dropped in the third quarter as the company supplied fewer large and expensive stones from its lucrative Karowe mine in Botswana.Revenue fell 31% year on year to $49.9 million, while net profit slumped 86% to $1.8 million, Lucara reported Wednesday.Sales of rough from Karowe declined 36% to $46.5 million, with volume down 15% at 99,301 carats and the a...