It is the perfidious Albion which has a long of the finest diamonds, stolen in France during the Revolution. The National Museum of Natural History has demonstrated in the wake of an investigation worthy of the best thrillers scientists. A work to read in the latest issue of the Journal of Gemmology.
The story begins in 1671 when Louis XIV ordered a stone exceptional reduced Indies three years earlier. From 115 carats mined is a piece weighing no more than 69, but remains the largest and most beautiful blue diamond ever produced. Louis XV will crimp in the heart of his badge of the Order of the Golden Fleece which is known today that two prints inaccurate. In September 1792, this masterpiece the Baroque jewelry disappears during the sack of the Hotel du Garde-Meuble (now Hotel de la Marine, place de la Concorde). The years pass and treasure hunters get lost in conjecture. In the mid-nineteenth century, a dominant thesis: that which is now called the "blue diamond in the crown" was grossly resize. It would, perhaps, that appeared in a London jeweler in 1812 and bought by a City banker, Henry Philip Hope. But how to prove that this jewel round, now preserved at the Smithsonian Institution Washington, is the good? His lights are poorly balanced, it is not legendary and magnificent diamond the size of the Sun King, known as "Pink Paris" and, above all, it weighs "only" 45.5 carats!This has allowed the team led by Franois Farges, a researcher in the Department of Earth history collections, to say "99% because we do not have the original gem with all elements analysis of the modern "is a discovery.
During the digital inventory of million pieces of old department - which is still performed at a third -- a lead Bourbon diamond was recovered. With an indication of the donor, a Parisian jeweler, who mentions his client. A certain "Mr. Hoppe from London" who owns the original. Franois Farges then initiates its 3D modeling software and compares the lead with the Hope Diamond on loan from the Smithsonian. "One enters the other millimeter. "This will be enough to France to claim his property? The researchers do not believe it. "Since the Convention, the Executive and the Third Republic sold a large part of the crown jewels, inalienability of these parts, decided by Francis I, fell. As for the stolen there a prescription.