Lightning Ridge Solid Black Opal Sterling Silver Ring.
Opal Type : Australian Solid Black Opal
Carat Weight : 0.65 ct
Size : 5.00 mm x 7.33 mm approx.
Color : Green Blue
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 : N3 Black Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal
Treatment : No Enhanced
Origin : Lightning Ridge Opal Field, NSW Australia.
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Total Item Weight : 2.14 Grams
Metal Type : Silver
Metal Purity : 92.5 Sterling
Ring Size :
US 8 (18.1 mm)
Britain/Australia P1/2
Asia 16
Euro 56.5