Opal Type : Solid Australian Black Opal
Carat Weight : 3.85 ct
Size : 9.40 mm x 14.35 mm approx.
Color : Blue
Shape : Oval
Cut : Medium Dome Cabochon
Clarity : Opaque
Brightness B1 - B5 : B3.6
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 : 7.29 g
Metal Type : Silver
Metal Purity : 92.5 Sterling
Ring Size :
US 9 (18.9 mm)
Britain/Australia R1/2
Asia 18
Euro 59.5