plump blue diamond -

Basic Information Carat Weight : 12.03 carats. Color Grade : Fancy Vivid Blue, the highest color intensity grade for blue diamonds. Its blue hue resembles moonlight falling over a deep night sky—mysterious and charming. Clarity Grade : IF (Internally Flawless), an extremely high level in the diamond clarity grading system. : Cushion cut. This cutting style excellently showcases the diamond’s color and fire (the sparkling effect produced by light refraction). Origin of the Rough Diamond This blue diamond was originally mined from the famous Cullinan Mine in South Africa. The rough diamond weighed 29.6 carats. The Cullinan Mine is the source of the world’s largest blue diamonds and many well-known colorless diamonds; however, blue diamonds account for less than 0.1% of the mine’s total diamond output.