The 35.26 carat brown diamond was among a number of rough gems found at Merlin mine, including a 14.6 carat brown rock as well as a number of smaller white diamonds.
Last year was an eventful one for the diamond industry: From the largest producers coordinating supply cuts and the manufactures to returning to profitability, to the second-largest gem-diamond ever recovered going to auction and more. Here's a quiz to test your knowledge.