Largest ever Russian diamond to be auctioned at Christie’s
Alrosa Spectacle, a 100.94 carat diamond that is thought to be the largest ever cut in Russia, will be auctioned in Geneva later this month. The diamond could fetch between 12 million and 18 million Swiss francs ($13.32 million – $19.96 million) when it goes under the hammer at Christie’s May 12. “This fantastic 100 carat … Read more