6.92 ct very large luxury rare natural genuine star sapphire

Product No: 2010sap0010
Stone Type: Natural Sapphire
Shape: Oval
Total weight: 6.92 carats
Size (mm): 12.2x10.3x4.6mm
Colour: Black
Clarity: PK
Star Effect: Very Good
Hardness: 9
Treatment: Natural/Untreated
Origin: Thailand