Opal Type : Australian Solid Black Opal
Carat Weight : 0.65 ct
Size : 4.30 mm x 6.30 mm approx
Color : Green Blue
Shape : Oval
Cut : Medium Dome Cabochon
Clarity : Translucent
Brightness B1 - B5 : B3.7
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 : 4.50 g
Metal Type : Silver
Metal Purity : 92.5 Sterling
Ring Size :
US 5.25 (15.9 mm)
Britain/Australia K
Asia 9.5
Euro 50