Dikhyaa Mohanty 
The world’s largest natural corundum blue sapphire, weighing around 310 kg and named the “Queen of Asia”, which is a rare gemstone was unveiled on November 13.
According to the official reports, the rare gemstone had been found three months ago from a gem pit in Ratnapura, popularly known as gem city situated around 85 km away from capital Colombo, but it was only shown for the first time at the residence of the gem pit owner on 13 November. The National Gem and Jewellery Authority, the state-run institute, certified the immensely valuable gemstone and plans are underway to sell it at an international market.
The report further stated that international gem organisations are yet to certify the precious stone. Thilak Weerasinghe, Chairman of the National Gem and Jewellery Authority, stated that more tests are to be carried out on the gemstone. He said that there could be more clean stones inside this and there are already one or two clean stones which are could be seen from outside.
