08/18/2022
The 15.10 carats Fancy Vivid Blue Emerald Cut Diamond is known as the DeBeers Cullinan Blue. It is graded Internally Flawless and is the largest Fancy Vivid Blue Diamond to hit the auction market so far. Only 1% of blue diamonds earn the status of Fancy Vivid Blue which is the most desirable color grade.
The Cullinan Blue is classified as a Type IIb; these are diamonds that have Boron as a desired impurity within the "all carbon" crystal lattice. Type IIb diamonds are extremely rare; only 0.1% of all diamonds are this classification.
In case you were wondering how much you need in your piggy bank for this incredible beauty...... it sold for $57.5 million !
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