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Sri Lankan authorities on Sunday put on show what they said was the world’s largest natural corundum blue sapphire, weighing 310 kilograms, which was found in a gem pit about three months ago.
Local gemologists, who have examined the sapphire, said it was one of the rarest gems in the world as it weighed more than 300 kilograms. International organisations are yet to certify the precious stone.
The sapphire was put on display at the home of one of the gem pit owners in Horana, 65 kilometres (40 miles) south of Colombo. A group of Buddhist monks chanted blessings for the gemstone before it was unveiled.
The stone was found in the gem-rich Ratnapura area where local people had previously found the world’s largest star sapphire cluster in a backyard by accident.