RAPAPORT... Lucapa Diamond Company has recovered a 113-carat, type IIa rough at its Lulo mine in Angola, its fifth stone over 100 carats this year and the third this month.The new discovery joins that of a 131-carat diamond last week and a 160-carat rough earlier this month, Lucapa said Thursday. All three stones are high quality. Lulo also produced a 170-carat pink in July.In total, Lucapa has un...