1) The Hope Diamond (Estimated Value) - $250 million

The most expensive jewelry item on this list is the Hope Diamond. It is not sold but the price of the diamond is estimated to be around $250 million. A lot of history and myth surrounds the diamond. It is currently at the National Museum of Natural History in Washington, D.C. The diamond is believed to have been stolen from a Hindu goddess and a supposed curse follows anyone who possesses the diamond.
Edited by Abhimanyu Sharma