!['Star of India', the largest blue sapphire to be displayed in American Museum | Oneindia News - YouTube 'Star of India', the largest blue sapphire to be displayed in American Museum | Oneindia News - YouTube](https://i.ytimg.com/vi/q3HrmC5qnvU/mqdefault.jpg)
'Star of India', the largest blue sapphire to be displayed in American Museum | Oneindia News - YouTube
American Museum of Natural History - At 563 carats, the Star of India is the world's largest gem-quality blue star sapphire. Some 2 billion years old, it is also one of the
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