This is a stunning GIA Certified Star Sapphire
The GIA report reads as follows:
GIA Report Number: 6223341585
Shape: Oval
Cutting Style: Double Cabochon
Cutting Style: Crown:
Cutting Style: Pavilion:
Transparency: Semi-Transparent to Translucent
Color: Blue
Phenomenon: Displaying Asterism
RESULTS
Species: Natural Corundum
Variety: Natural Star Sapphire
Geographic Origin: Burma (Myanmar)
Treatment: No Indications of Heating
Item Description: One loose stone
Weight: 5.84 carats
Measurements: 9.99 x 9.23 x 5.76 mm
Comments:
Internal notes and additional description:
Weight: 5.84 carats
Clarity: N/A
Colour: Blue
Phenomenon: Displaying Asterism
Hue: Blue
Tone: 6 Medium Dark
Saturation: 4-5 Moderately Strong-Strong
Treatment: No Indications of Heating
Origin: Burma (Myanmar)
Internal SKU: GIAS2156
Please quote SKU if you have any questions about this gem.