The diamond has a royal lineage . CNN sells nearly 36-carat diamond for $ 16.5 million . Amount said to be highest price for a diamond sold at auction . Francois Curiel was mined in New York Wednesday .
CNN sells nearly 36-carat diamond for $ 16.5 million . Amount said to be highest price for a diamond sold at auction . Francois Curiel was mined in New York Wednesday .