The price of an Aurora Diamante fountain pen is worth a fortune. The price is an eye popping 1,470,600 USD and is the most expensive pen till date in the history of mankind. The company manufactures only one Aurora Diamante fountain pen per year. This pen is made with 30 carats of De Beers diamonds. The pen is made on a solid platinum barrel. The 18K solid gold nib is two-tone and Rhodium treated. The nib can also be personalised with a portrait, signature or a coat of arms.