4.51ct Very Large Luxury Genuine Natural Australian Opal Gemstone

Product No: 1711opa0009
Stone Type: Natural Opal
Shape: Oval
Total Weight: 4.51 Carats
Size (mm): 13.7x11.2x6.7mm
Color: See picture
Clarity: Semi Transparent
Luster: Very Good
Hardness: 5.5-6
Treatment: Natural/Untreated
Origin: Australia