Rare 20-carat blue diamond unveiled in Botswana - ABC News

Blue diamonds are very rare, comprising only about 0.02% of mined diamonds.
A whopping 910-carat diamond was discovered in Southern Africa, one of the biggest gems ever found, the mining company that uncovered it said Monday.

Rare 20-carat blue diamond unveiled in Botswana - ABC News

World's Largest Blue Diamond To Come To Auction Has Sold For Million CNN Style

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Rare 20-carat blue diamond unveiled and it's higher in clarity than the Hope Diamond

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Jeweller - July 2021

Rare 20-carat blue diamond unveiled in Botswana - ABC News

How Botswana's Dazzling 20 Carat Blue Diamond Is Inspiring The Country's Brightest Creative Talent

The Rock': Largest White Diamond Ever Sold Sells For Over, 60% OFF

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