World’s largest blue star sapphire — worth $100M — discovered – CNN News Entertainment Featured International World’s largest blue star sapphire — worth $100M — discovered – CNN News Editor January 6, 2016 The world’s biggest blue star sapphire — weighing in at 1,404.49 carats — has been found in... Read More Read more about World’s largest blue star sapphire — worth $100M — discovered – CNN News