World’s biggest Blue Sapphire ‘Queen of Asia’, weighing around 310 kg, unveiled in Sri Lanka
Image Credit: YouTube
The world's largest natural corundum blue sapphire, weighing around 310 kg and named the "Queen of Asia", was unveiled on Sunday. The rare gem stone 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 Sunday.