An oval-shaped gemstone weighing greater than 20 carats has been unveiled as the most important blue diamond to be found out in Botswana.
The state-owned Okavango Diamond Corporate, which markets gems, introduced the to find on Wednesday in Gaborone.
It has estimated the stone was once shaped between 500 million and three billion years in the past.
“From the primary second we noticed the diamond, it was once transparent we had one thing very particular,” stated managing director Marcus ter Haar.
“It’s extremely odd for a stone of this color and nature to have come from Botswana – a once-in-lifetime to find, which is set as uncommon as a celebrity within the Milky Approach.
“Just a handful of identical blue stones have come to marketplace all through the decade, of which the Okavango Blue rightfully takes its position as one of the crucial vital.”
The corporate stated it was once found out ultimate yr on the Orapa mine, operated by way of Debswana, a three way partnership between Anglo American’s De Beers and Botswana.
The stone has been graded an oval sensible lower and its color showed as a “fancy deep blue”.
Its readability is alleged to be one of the most best polished color classifications doable for a blue diamond.
It’s anticipated to be offered close to the tip of the yr.
The southern African country is among the international’s most sensible manufacturers of herbal stones, which account for roughly part of presidency earnings.