The museum's 563-carat sapphire called the Star of India was actually found on this island
Climbing up the stone walls of the American Museum of Natural ... Morgan jewel 
collection: the Star of India sapphire, the DeLong Star ... With the jewels nowhere 
to be found, an ambitious 23-year-old .... Star of India had been mined in Ceylon 
300 years ago, and at 563 carats, it was the size of a golf ball.