Giant sapphire to be unveiled at Houston Museum of Natural Science

HOUSTON, Texas (KTRK) -- One of the world's largest blue sapphires will be unveiled at the Houston Museum of Natural Science Saturday.

The "Siren of Serendip" was discovered in Sri Lanka. It weighs 422 carats and is set in a necklace with 913 diamonds.

The beautiful blue stone will be on display to the public March 3-24.
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