Australia’s rough diamond output will decline to just 134.7 thousand carats following the expected closure of Western Australia’s Argyle mine in 2021, from the current level of 14.2 million carats (Mct). Outlook for diamond mining The country’s supply of rough diamonds had begun to rely entirely on the output from Argyle after the suspension of Ellendale mine in 2015, which produced gem and industrial-quality diamonds, including fancy yellow diamonds, following the collapse of Kimberley Diamond Company in the same year. The Western Australian government, which has conducted rehabilitation work at the Ellendale mine, ... (full story)