Russian diamond producer, Alrosa, has posted a 1H 2011 net profit of 26.267 billion roubles under IFRS. The net result is a massive jump from the 1H 2010 net income of 5.015 billion roubles, with 1H adjusted EBITDA up 74.2% year on year to 35.867 billion roubles, with EBITDA margin up to a record 54%, […]