 | The Cora Sun-Drop Diamond is the largest known yellow pear-shaped diamond, weighing 110.3 carats.
It was sold for $10.9 million at Sotheby's auction in Geneva in 2011 and set a world record price for a yellow diamond. Cutting the diamond took six months. The Cora Sun Drop is cut in a brilliant pear shape. This is also known as a drop cut, hence the name.
Certified as "fancy vivid yellow" the Sun Drop is one of the largest diamonds of any color to have ever appeared at auction.
|  Yellow is the result of traces of nitrogen trapped within carbon molecules. |