(Reuters) – Moscow-listed shares of state-controlled diamond miner Alrosa were down 5% early on Friday after the United States expanded sanctions on the company, aiming to cut off additional sources of revenue for the Russian state budget. Alrosa, the world’s largest producer of rough diamonds and which competes with Anglo American unit De Beers, produced 32.4 million carats in 2021, about 30% of the global total. It exports mostly to Belgium, India, and the United Arab Emirates. The United States on Thursday placed Alrosa on the Specially Designated Nationals (SDN) list, which effectively kic…