6.13 ct very large oval shaped unique natural solid opal gemstone

Product No: 2110opa0002
Stone Type: Natural Opal
Shape: Oval
Total Weight: 6.13 Carats
Size (mm): 15.5x11.5x4.8mm
Color: See picture
Clarity: PK
Luster: Very Good
Hardness: 5.5-6
Treatment: Heat
Origin: Australia