Coober Pedy Solid Opal Sterling Silver Ring.
Opal Type : Australian Solid Light Opal
Carat Weight : 4.38 cts
Size : 8.00 mm x 13.00 mm approx.
Color : Multi-Color
Shape : Rectangle round edge
Cut : Low Dome Dome Cabochon
Clarity : Translucent
Brightness B1 - B5 : B3.5
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N7 : N8 Light Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal

Treatment : No Enhanced
Origin : Coober Pedy Opal Field, South Australia.
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Total Item Weight : 8.53 Grams
Metal Type : Silver
Metal Purity : 92.5 Sterling
Ring Size :
US 8.5 (18.5 mm)
Britain/Australia Q1/2
Asia 17
Euro 58