Botswana, August 23— A diamond weighing 2,492 carats has been unearthed at a mine in the Republic of Botswana, marking it as the second largest diamond ever discovered globally. 

The diamond was found on Thursday at the Karowe mine, operated by the Canadian company Lucara Diamond, using advanced X-ray detection technology. According to the BBC, this discovery is one of the largest rough diamonds ever uncovered, surpassed only by the 3,106-carat Cullinan diamond found in South Africa in 1905.

Lucara Diamond has not yet released details about the diamond’s estimated market value. Lucara President William Lamb expressed enthusiasm over the find, calling it an "extraordinary" discovery.

Botswana is a leading diamond producer, with the diamond industry contributing significantly to the country’s economy. According to the International Monetary Fund, diamonds account for approximately 30% of Botswana's GDP, and 80% of the diamonds mined are exported globally.