Blue Diamond and Tie-Dye Jewelry

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…

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