One of the world's largest diamonds has been discovered in Botswana

(CNN) -- One of the world's largest diamonds has been unearthed in Botswana, the country's government announced.

The 1,098-carat stone, believed to be the third largest "gem-quality" diamond ever found, was presented to President Mokgweetsi Masisi on Wednesday.

The discovery was made earlier this month at the Jwaneng mine, some 120 kilometers from the country's capital, Gaborone. The mine is operated by Debswana, a diamond company jointly owned by the Botswana government and the De Beers Group, according to its official website.

The 1,098-carat stone, displayed in Gaborone, Botswana. Credit: Monirul Bhuiyan/AFP/Getty Images

An official government Twitter account wrote that "the proceeds from the diamond will be used to promote national development in the country."

"Debswana should use this latest discovery as a turning point for the mine to use its technology to make more of these great discoveries," he added.

Masisi's office also released a series of images showing the diamond being presented to the president and his cabinet.

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Uno de los diamantes más grandes del mundo ha sido descubierto en Botswana

Officially opened in 1982, the Jwaneng mine typically produces between 12.5 million and 15 million carats of diamonds a year, according to Debswana. This month's find is the largest gem discovered by the company since diamonds were discovered in Botswana in 1967, the government said.

Today, the largest diamond ever recorded is the Cullinan, at 3,106 carats, found in South Africa in 1905. The Cullinan was later cut into smaller stones, some of which are part of the family's crown jewels. british royal.

Botswana President Mokgweetsi Masisi holds up the diamond as First Lady Neo Jane Masisi looks on. Credit: Monirul Bhuiyan/AFP/Getty Images

The second largest discovery is believed to be the Lesedi La Rona, a 1,109-carat stone found by Canadian firm Lucara Diamond at the Karowe mine, also in Botswana, in 2015. The diamond was sold to luxury jeweler Graff for US$ 53 million two years later.

Rough diamonds are generally graded as gem quality, near gem quality, or industrial quality, based on their color, clarity, size, and shape.

Although another even larger diamond was found in Botswana in 2019, a 1,758-carat stone called Sewelô, experts said it could not be considered entirely gem quality. The stone was purchased by French luxury brand Louis Vuitton in 2020 for an undisclosed sum.

Speaking to CNN at the time of Sewelô's discovery, Rob Bates, a blogger on the diamond and jewelry industries, told CNN that only "a handful" of companies in the world know how to "economically cut" rough diamonds. so big.

"But it's always an exciting time when a mine expels a huge rock like that," he said. "It's good for business, good for the country of Botswana."

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