Natural solid semi black opal 4.31ct loose unset stone Lightning Ridge Australia

DETAILS: No9018G Natural solid semi black opal loose stone 4.31ct
Stone Natural solid dark opal
Carat 4.31ct
Dimensions 17.06mm x 10.50mm Thickness 3.88mm
Shape Freeform
Colour Light green grey
Transparency Opaque
Body Tone N6
Brightness (1 subdued – 5 vivid): 3
Origin Lightning Ridge, NSW, Australia
Note: Last picture is back of the stone.
All photos were taken under natural light, sunlight and LED lights.
*Please check the measurements before purchase, the items appear bigger in photos.