Lightning Ridge Solid Black Opal Sterling Ring.

Australian Natural Solid Black Opal Sterling Silver Hammered Band Ring.

Opal Type : Solid Australian Black Opal
Carat Weight : 0.85 ct
Size : 7.40 mm x 9.24 mm approx.
Color : Blue Green
Shape : Oval
Cut : Low Dome Cabochon
Clarity : Opaque

Brightness B1 - B5 : B3.5
B1:Faint    B2 :Dull    B3:Bright    B4:Very Bright    B5:Brilliant

Body Tone N1-N9 : N4 Black Opal
N1-N4:Black Opal    N5-N6:Dark Opal    N7-N9:Light Opal

Treatment : NONE
Origin : Lightning Ridge Opal Field, NSW Australia
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Total Item Weight : 2.35 grams
Metal Type : Silver
Metal Purity : 92.5

Ring Size :
US-6 (16.5 mm)
Britain/Australia L1/2
Asia 11
Euro 51.5