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Famous Jewelry: Logan Sapphire Brooch

The Logan Sapphire brooch contains one of the world's largest Ceylon blue sapphire gemstones at 422.99 carats. This magnificent gem comes from Sri Lanka, and is surrounded by twenty white diamonds.

The Logan Sapphire was a gifted to the Smithsonian Insitute from Mrs. John A. Logan in 1960, and is on display at the American Museum of Natural History's National Gem Collection in Washington DC.

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Kimberly, South Africa Diamond Mines

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