Diamond giant Alrosa unearths massive 214.65-carat rock

Russia’s Alrosa (MCX:ALRS), the world's top diamond producer by output in carats, said Wednesday it has recovered a 214.65-carat rough diamond from its Nyurbinskoye placer deposit. The crystal measures 42.11 by 34.26 by 16.07 mm, and is translucent with a grey...