Opal Type : Australian Solid Black Opal
Carat Weight : 0.40 ct
Size : 4.42 mm x 6.28 mm approx
Color : Green Blue
Shape : Oval
Cut : Low Dome Cabochon
Clarity : Opaque
Brightness B1 - B5 : B3.7
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N9 : N3 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 : 3.78 g
Metal Type : Silver
Metal Purity : 92.5 Sterling
Ring Size :
US-6 (16.5 mm)
Britain/Australia L1/2
Asia 11
Euro 51.5