Treated star sapphire (Natural Corundum), 3.70 cts, oval cab - Lot 30

Lot n° 30
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Estimation :
250 - 300 EUR
Treated star sapphire (Natural Corundum), 3.70 cts, oval cab - Lot 30
Treated star sapphire (Natural Corundum), 3.70 cts, oval cabochon cut and blue. LFG preliminaries report given to the purchaser indicating "U(Ti)" heat treatment, to modify the asterism color.
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