158.2 carat diamond found in Russia

Russia's largest diamond miner Alrosa discovered a unique
diamond weighing 158.2 carats and worth over $1.5 million, 
the company said Tuesday.

"In the estimate of Alrosa's specialists, this diamond may be sold for over $1.5 million at auction. This diamond, if it is processed, may also produce several quality diamonds, each of them worth over several hundred thousand US dollars," Alrosa said in the statement.

Alrosa is one of the world's largest diamond companies, accounting for about 28 percent of global production, and produces 97 percent of all diamonds in Russia. The company boasts proven diamond reserves that enable it to maintain diamond production for over 25 years.