This is a stunning GIA Certified Star Sapphire
The GIA report reads as follows:
GIA Report Number: 2225841138
Shape: Oval
Cutting Style: Double Cabochon
Cutting Style: Crown:
Cutting Style: Pavilion:
Transparency: Translucent
Color: Blue
RESULTS
Species: Natural Corundum
Variety: Natural Star Sapphire
Geographic Origin: Sri Lanka
Treatment: No Indications of Heating
Item Description: One loose stone
Weight: 4.75 carats
Measurements: 9.72 x 7.90 x 5.77 mm
Comments: Any statement on geographic origin is an expert opinion based on a collection of observations and analytical data.
Internal notes and additional description:
Weight: 4.75 carats
Clarity: N/A
Colour: Blue
Hue: Blue
Tone: 4-5 Medium Light-Medium
Saturation: 4 Moderately Strong
Treatment: No Indications of Heating
Origin: Sri Lanka
Notes: Displaying Asterism
Internal SKU: GIASS0005
Please quote SKU if you have any questions about this gem.