For optimizing best polished output from rough diamonds spanning the 1 to 2 carat size , careful selection is vitally important. Generally , roughs approximating 1.25 and 1.75 carats seem to provide the https://ronaldnmvz657541.wikicorrespondence.com/6813818/maximizing_polished_yield_ideal_rough_diamond_sizes_1_2_carats