Russian Billionaire Dmitry Rybolovlev Accuses Sotheby's Of Cheating Him Of Tens Of Millions In Court Testimony

Like many billionaires before him, Dmitry Rybolovlev turned to the hobby of…

Largest ever ruby to be auctioned will go under the hammer at Sotheby's for an estimated $30m

The largest ever ruby to be sold at auction will go under…