World’s biggest sapphire unearthed
Sri Lankan authorities said the country had unearthed the world’s largest natural corundum crystal blue sapphire in Ratnapura, about 113 kilometers away from the capital Colombo, local media reported.
Authorities said the stone weighed 310 kilograms and was blue and white in color. It was named “Queen of Asia” by experts in the gem industry, authorities said.
The owners of the sapphire, quoted by local media reports, said the stone was high in value and could be more than 1.5 million carats.