Where was the second-largest diamond ever discovered, a rough 2,492-carat stone, recently unearthed?

Correct option is C

The second-largest diamond ever found, a rough 2,492-carat stone, was recently discovered in Botswana.
Details-
· Mine Location: Found at Karowe mine, approximately 500km north of Botswana's capital, Gaborone.
· Ownership: The mine is owned by Canadian firm Lucara Diamond.
· Historical Context: This is the largest diamond ever discovered in Botswana, surpassing the previous record of a 1,758-carat diamond found in 2019 at the same mine.
· Global Ranking: It follows the 3,106-carat Cullinan diamond found in South Africa in 1905, now part of the British Crown Jewels.
· Botswana's Role: One of the world’s largest diamond producers, accounting for around 20% of global production.