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Logan Sapphire

lo·​gan sap·​phire | ˈlō-gən sa-ˌfī(-ə)r

noun

A 422.99 carat rich, deep blue sapphire discovered in Sri Lanka

The Logan Sapphire was originally discovered in Sri Lanka. It is 422.99 carats and displays as a deep blue sapphire. Nearly the size of an egg, it is considered the most famous sapphire in the world. While there is at least one known sapphire larger than the Logan, it is known around the world and people visit to view it at the Smithsonian Institute where it has been on display since 1960. The Sapphire is named for the last private owner of the stone, Polly Logan, who donated it to the Smithsonian. The setting for the Logan consists of 20 diamonds weighing 16 carats in a brooch.