| Type of stone | Sapphire |
|---|---|
| Weight | 310 kilograms (1,600,000 carats) |
| Color | Blue |
| Cut | Rough |
| Country of origin | Sri Lanka |
Queen of Asia is the world's largest natural corundum blue sapphire. [1] It weighs 310 kilograms (1,600,000 carats). [2] It was found in Rajawaka in the Balangoda district, and it was revealed in December 2021. Estimated value is USD 150 million (2024) [3]