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Topping Kim Kardashian's $2 Million, 20-Carat Diamond Ring

World famous jewels

Christie's auctioned off the Archduke Joseph Diamond for nearly $21.5 million on Nov. 13, a world auction record price per carat for a colorless diamond. Here is a look at some other rare baubles, from Elizabeth Taylor's personal collection to the world's first ring carved from a diamond created by Swiss company Shawish Jewelry.