Black opal, 1.00 ct weight, 9x7 mm calibrated rare natural black opal gemstone

Product No: 2310opa0001
Stone Type: Natural Opal
Shape: Oval
Total Weight: 1.00 Carat
Size (mm): 9x7x1.8mm
Color: See picture
Clarity: PK
Luster: Very Good
Hardness: 5.5-6
Treatment: Doublet
Origin: Australia