(CNN) – The largest vivid-blue diamond is up for grabs for a reasonably penny.

It’s known as “The De Beers Cullinan Blue,” and Sotheby’s says it may promote for no less than $48 million.

The 15.1 carat gem can also be the biggest, internally flawless, set reduce vivid blue diamond that the Gemological Institute of America has ever appraised.

The company has additionally deemed the diamond “fancy vivid blue,” the best coloration grading doable.

The massive rock is anticipated to be positioned for public sale at Sotheby’s Hong Kong Luxurious Week in April.

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