The Sri Lanka National Gem and Jewellery Authority awarded certificates to the gem pit partner for recognising the size and weight of a large corundum sapphire pebble.

World's largest corundum sapphire pebble unveiled in Sri Lanka

'Queen of Asia': World's largest corundum sapphire pebble unveiled in Sri Lanka

Mountaineer gets jewels he found from debris of Air India's crashed plane

World's largest star sapphire cluster found in a Sri Lankan backyard: Report 

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