'The Blue' diamond, a 13.22ct Fancy Vivid blue pear-shaped diamond, is the largest flawless Fancy Vivid blue diamond in the world. It has been renamed 'The Winston Blue' by its new owner, Harry Winston

'The Blue' diamond, a 13.22ct Fancy Vivid blue pear-shaped diamond, is the largest flawless Fancy Vivid blue diamond in the world. It has been renamed 'The Winston Blue' by its new owner, Harry Winston.