The 5 carat blue sapphire has a fascinating past entwined with myth and nobility. The ancient Greeks and Romans had the belief that sapphires shielded their owners from harm and jealousy. During the Middle Ages, sapphires were worn by clergy as a sign of Heaven and by royalty as a lucky charm. A 5 carat blue sapphire embodies the timeless appeal and historical significance of these remarkable stones with its large size and rich hue.