In May, Russia’s top gem miner, Alrosa, saw more than a ninefold year-on-year surge in sales of rough diamonds. At the same time, sales of polished diamonds increased by nearly fivefold, according to the producer.

In monetary terms, the world’s leading diamond-mining company by volume sold $346-million-worth of rough diamonds and $19-million-worth of polished gems.

At the same time, the overall May sales, which amounted to $365 million marked a decline of 9% compared to the previous month. (RT)