20 Carat Blue Diamond Discovered in Botswana

Okavango, the Botswana government–owned diamond seller that markets 15 percent of the country’s diamond production, has unveiled a 20.46 ct. blue stone, which it calls the largest blue diamond ever discovered in the country’s mines.

The brilliant oval stone, christened the Okavango Blue, comes from a piece of 41.11 ct. rough originally discovered at the Orapa mine. The GIA has graded the resulting piece of polished as having fancy deep color and VVS clarity.

Okavango said it plans to showcase the gem over the next few months and will sell it by the end of the year. But its statement didn’t mention if it planned any kind of unique sales process or provide estimates of its possible value.

Okavango Blue rough
The original 41 ct. rough that birthed the Okavango Blue

“From the first moment we saw the diamond, it was clear we had something very special,” said Marcus ter Haar, managing director of the Okavango Diamond Co., in a statement. “Everyone who has viewed the 20 ct. polished diamond has marveled at its unique coloration, which many see as unlike any blue stone they have seen before.

“Only a very small percentage of the world’s diamonds are classified as fancy color and, of those, only a select few can be classified as being fancy blue,” he added. “It is incredibly unusual for a stone of this color and nature to have come from Botswana. [It’s] a once-in-lifetime find.”


Okavango chief financial officer Lipalesa Makepe in a statement, “We are conscious of how important ethically sourced natural diamonds are to the public and are therefore fortunate that our diamond resources are managed responsibly in a manner that puts the people of Botswana first. Consumers can purchase Botswana diamonds with a sense of pride knowing that these diamonds are improving the lives of the people of Botswana.”

(Images courtesy of Okavango Diamond Co.) 

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