Natural Bi-Color Sapphire, From Eldorado Bar Montana Extremely Beautiful, Very Colorful Blue and Yellow Specimen Plate 5ct Rough Low Heat Treatment Only. Very Rare Color and Size.

Cut: Rough

Color: Bi-Color Blue Yellow 

Clarity: SI

Weight: 5ct

Origin: Montana Eldorado Bar

Treatment: Heat Only 

Dimensions: 11mm × 10mm × 3.5mm