4.79 ct large luxury rare natural genuine star sapphire

Product No: 2010sap0011
Stone Type: Natural Sapphire
Shape: Oval
Total weight: 4.79 carats
Size (mm): 11.5x9.5x3.7mm
Colour: Black
Clarity: PK
Star Effect: Very Good
Hardness: 9
Treatment: Natural/Untreated
Origin: Thailand