Robert Green Ingersoll

The price of diamonds can vary greatly depending on size, cut, color, and other factors, including whether they have a history. But because of the rarity of blue boron diamonds, they often fetch more money than gems of similar quality.

In my office in Jerusalem, there's an ancient seal. It's a signet ring of a Jewish official from the time of the Bible. The seal was found right next to the Western Wall, and it dates back 2,700 years, to the time of King Hezekiah. Now, there's a name of the Jewish official inscribed on the ring in Hebrew. His name was Netanyahu.