A blue diamond, weighing over 20 carats, is seen in this undated handout picture released by Okavango Diamond Company in Gaborone, Botswana, April 17, 2019. — Reuters: Botswana’s state-owned Okavango Diamond Company on Wednesday unveiled the biggest blue diamond ever discovered in the Southern Africa country.
The oval-shaped diamond has been named “The Okavango Blue” in honour of the Okavango Delta, the country’s wildlife-rich world heritage site.
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