Oval cut very rare genuine tanzanite gemstone

Product No: 1708tan0008
Stone Type: Natural Tanzanite
Shape: Oval
Total weight: 0.34 carat
Size (mm): 5.1x4.1x2.1mm
Color: Blue Purple
Clarity: VVS1
Luster: Very Good
Hardness: 6.5-7
Treatment: Heat
Origin: Tanzania