The world's largest blue sapphire corundum was found in Sri Lanka and weighed in at a hefty 42 kilograms. The company that owned the sapphire cut it into several chunks, including a 17 kilogram ...
A Sri Lankan displays a star blue sapphire, claimed to be the world's biggest, on his palm in Colombo. Colombo - Sri Lankan gemologist says this could be the world's biggest blue star sapphire.
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