Opal Type : Solid Australian Dark Opal
Carat Weight : 2.56 ct
Size : 8.82 mm x 13.53 mm approx
Thickness : 3.66 mm
Color : Green Blue
Shape : Free Shape
Cut : Medium Dome Cabochon
Clarity : Opaque
Brightness B1 - B5 : B3.8
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N9 : N6 Dark 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 : 7.09 g
Metal Type : Silver
Metal Purity : 92.5 Sterling
Ring Size :
US 9.25 (19.2 mm)
Britain/Australia S
Asia 18.5
Euro 60