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Corundum (variety: Sapphire)

The 98.57-carat Bismarck Sapphire is mounted in a diamond and platinum necklace, designed by Cartier, Inc. The sapphire exhibits the highly-valued deep blue color of fine sapphires from Burma. The necklace is named after its donor, Countess Mona von Bismarck, an American socialite who married German Count Eduard von Bismark. She donated the necklace to the Smithsonian in 1967.

Image Number: 95-40352
Catalog Number: G4753
Weight: 98.60 carats
Gift of Countess Mona von Bismarck, 1967