Opal Type : Solid Australian Light Opal
Carat Weight : 4.18 ct
Size : 9.80 mm x 12.80 mm approx
Color : Green Blue
Shape : Rectangle
Cut : Medium Dome Cabochon
Clarity : Opaque
Brightness B1 - B5 : B3.5
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N9 : N7 Light 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 : 5.07 g
Metal Type : Silver
Metal Purity : 92.5 Sterling
Ring Size :
US-7.5 (17.7 mm)
Britain/Australia O1/2
Asia 15
Euro 55.5