Faberge: Romanov Necklace Price: 3.1 million Carats: 363.48 The Romanov necklace from the House of Faberge took 14 months to make and recreates a design from 1885. It contains 79 emeralds and 1991 diamonds that total 363.48 carats.
Crown of an English Queen - probably belonged to King Edward III or Anne of Bohemia, the wife of King Richard II, who was deposed that year by Henry IV. Henry's daughter, Princess Blanche, married the Palatine Elector Ludwig III in 1402 and eventually made its way into the Bavarian treasury
Hope Diamond ($250 million). Among the most romanticized jewels in the world, the Hope Diamond is housed at the Smithsonian's National Museum of Natural History and considered the second-most visited piece of art in the world (behind the "Mona Lisa"). Discovered in India in 1812, the 45.52-carat blue-gray stone has had many owners over the years. The diamond is also said to be cursed—including the alleged suicides of several of its owners.