3.76 ct large unique genuine natural opal gemstone

Product No: 1706opa0007
Stone Type: Natural Opal
Shape: Trilliant
Total weight: 3.76 carats
Size (mm): 12.2x11.5x4.5mm
Color: Rainbow See Image
Clarity: PK
Luster: Very Good
Hardness: 5.5-6
Treatment: Heat
Origin: Australia