world's second-largest diamond found in Botswana'
The world's second-largest gem quality diamond has been discovered in Botswana, the Lucara Diamond firm says. The 1,111-carat stone was recovered fro the capital, Gaborone.lt is the biggest diamond to be discovered in Botswana and the largest find in more than a century.The 3,106-carat Cullinan diamond was found in South Africa in 1905 and cut into nine separate stones, many of which are in the British Crown Jewels.