Massive 2,492-carat diamond discovered in Botswana FRANCE 24 EnglishBotswana unearths 2,492-carat diamond, among largest ever uncovered Fox NewsBotswana unearths world’s second-largest diamond DW (English)Botswana diamond could be second-largest gem-quality example ever found The GuardianSecond-largest diamond ever, 2,492 carats, unearthed in Botswana The Washington Post