Australian Lightning Ridge Solid Black Opal Sterling Silver Ring.
Opal Type : Solid Australian Black Opal
Carat Weight : 0.50 ct
Size : 5.00 mm x 8.00 mm approx
Color : Green Blue
Shape : Pear
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 : 1.53 gramsMetal Type : Silver
Metal Purity : 92.5
Ring Size :
US-6 (16.5mm)
Britain/Australia L1/2
Asia 11
Euro 51.5