Natural sapphire from Tanzania
Unheated
Slight color shift in daylight to artificial light.
Weight: 0.91 carats
Size: 5.2 x 4.6 x 4.1mm
My thoughts: A deeply cut stone, the color is a mix of purple, yellow and slate grey, all showing up at the same time.
Excellent cut, Eye clean
Below is a video of this stone, along with several others from the same parcel.