Largest Diamond in Auction History Slated To Fetch Upwards of $30 Million USD at Christie's

Christie's is slated to sell the largest diamond in auction history at its upcoming Spring sale. Dubbed "The Rock," the impressive 228.31-carat stone has an estimated value of $20 million USD to $30 million USD and has only officially passed through three previous owners' hands. Christie's first heard of the stone from its original owner around two decades ago and was involved with the first transaction of the stone. Rahul Kadakia told Robb Report, "I've been at Christie's for 25 years and Chris...