Diamond weighing 404 carats is one of the largest ever found
NEW YORK (CNNMoney) -- A massive diamond among the largest ever discovered was recently unearthed in Angola, mining company Lucapa announced Monday. At 404.2 carats, it measures about 7 cm across -- about the length of a credit card, Lucapa said. It was mined by the Lulo Diamond Project, a partnership between Endiama, Angola's national diamond company, Lucapa Diamond Company, and a private investor, Rosas & Pétalas.