Alrosa starts work on Udachny diamond mine

Udachny diamond mine: Russian diamond giant Alrosa has started work on the Udachny diamond mine in the Republic of Yakutia in northeast Russia, it announced today. The mine is expected to reach its designed annual capacity of 4m tons of ore by 2019 and to provide over 5m carats each year, making it Russia’s largest diamond extraction site. ITAR-TASS