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World's largest corundum sapphire pebble unveiled in Sri Lanka
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.
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.
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