Diamond

A big pink diamond of 170 carats has been discovered in Angola and is claimed to be the largest such gemstone found in 300 years. Called the “Lulo Rose,” the diamond was found at the Lulo alluvial diamond mine, the mine’s owner, the Lucapa Diamond Company, announced Wednesday on its website. The Lulo mine has already produced the two largest diamonds ever found in Angola, including a 404-carat clear diamond. The pink gemstone is the fifth largest diamond found at the mine where 27 diamonds of 100 carats or more have been found, according to Lucapa, which is based in…