The museum's 563-carat sapphire called the Star of India was actually found on this island
... Sapphires 
that show a star-like light effect are called star sapphires; the most famous star 
sapphire from Sri Lanka is displayed in the Museum of .... Star of India (563 
carats) [DOC] [TLE] Sri Lanka Gems on Stamps - Welcome to Crescent Lapidary [PAR] Island of Gems ...