0.67 ct rare top quality loose natural tanzanite gemstone

Product No: 2502tan0002
Stone Type: Natural Tanzanite
Shape: Oval
Total Weight: 0.67 carat
Size (mm): 6.8x5x3.1 mm
Color: Blue Purple
Clarity: VVS1
Luster: Very Good
Hardness: 6.5-7
Treatment: Heat
Origin: Tanzania