310-KG ‘QUEEN OF ASIA’ NATURAL BLUE SAPPHIRE UNVEILED IN SRI LANKA
Mon 13 December 2021: Sri Lankan authorities displayed what they claimed was the world’s largest natural corundum blue sapphire, weighing 310 kilograms and discovered in a gem pit three months ago. Local gemologists who examined the sapphire said it was one of the world’s rarest gems, weighing more than 300 kilograms. The precious stone has […]
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