4x3 mm calibrated oval cut natural rare tanzanite gemstone

Product No: 2303tan0013
Stone Type: Natural Tanzanite
Shape: Oval
Total weight: 0.16 carat
Size (mm): 4x3x1.8mm
Color: Blue Purple
Clarity: VVS1
Luster: Very Good
Hardness: 6.5-7
Treatment: Heat
Origin: Tanzania