Australian Natural Solid Black Opal Sterling Silver Ring.
Opal Type : Solid Australian Black Opal
Carat Weight : 1.15 ct
Size : 7.90 mm x 11.15 mm approx.
Color : Multi-Color
Shape : Oval
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 : N2 Black Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal
Treatment : NONE
Origin : Lightning Ridge Opal Field, NSW Australia
--------------------------------------------------------------------------------------------
Total Item Weight : 3.73 grams
Metal Type : Silver
Metal Purity : 92.5
Ring Size :
US-6 (16.5 mm)
Britain/Australia L1/2
Asia 11
Euro 51.5