Rare, uncut blue diamond found in South Africa
A rare blue diamond weighing 122.52 carats has been unearthed in South Africa, and experts believe it's the most valuable uncut diamond ever. (Source: huanqiu.com)
A rare blue diamond weighing 122.52 carats has been unearthed in South Africa, and experts believe it's the most valuable uncut diamond ever. (Source: huanqiu.com)