The largest diamond in Russian history was sold at auction for more than 1 billion rubles. Flawless, colorless, according to experts, the gem was mined in Yakutia. The largest diamond of 100.94 carats in the history of Russian production was sold at an auction held in Geneva.
The diamond was sold for 12.84 million Swiss francs (more than 1 billion rubles). Before the auction, experts e...