Alrosa’s rough diamonds sales down 22% in first half of the year

[caption id="attachment_829629" align="aligncenter" width="600"] The Udachnaya quarry.[/caption] Russia’s Alrosa, the world's top diamond producer by output in carats, said Tuesday it sold 18 million carats of rough diamonds for $2.1 billion in the first half of 2015, significantly less than...