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World's largest blue star sapphire 'found in Sri Lanka'
The world's biggest blue star sapphire, worth at least $100 million (£68 million), has been mined in Sri Lanka.The gemology institute in the capital Colombo has certified that the gem weighs 1404.49 carats, according to the BBC.The previous record was 1,395 carats."The moment I saw it, I decided to buy," the current owner, who asked to remain anonymous, told the BBC World Service's ...
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