6.37 ct big luxury genuine natural loose swiss blue topaz gemstone

Product No: 2110top0007
Stone Type: Natural Topaz
Shape: Pear
Total weight: 6.37 carats
Size (mm): 18.6x7.9x6.2mm
Color: Swiss Blue
Clarity: IF
Luster: Very Good
Hardness: 8
Treatment: Heat
Origin: Brazil