6 Ray Light Pale Blue Star Sapphire Loose Gemstone 9x8 millimeters mm round 4.38 carats Cabochon Natural Loose Corundum September Birthstone

6 Ray Natural Light Blue Star Sapphire:
Measurements: 9x7.6mm , 6.3mm deep
Weight: 4.48 carats
Cut: Oval Cabochon
This is a pretty stone!
As with most natural star sapphires, this stone may have pitting and natural characteristic, and knick type inclusions on the base or along where it isn‘t polished. Look at photos.
I do not know the treatments (if any) on this particular gemstone.