Lightning Ridge Solid Opal Sterling Silver Ring.
Opal Type : Australian Solid Dark Opal
Carat Weight : 2.02 cts
Size : 7.16 mm x 16.51 mm approx.
Color : Green Blue
Shape : Free Shape
Cut : Low Dome Cabochon
Clarity : Opaque
Brightness B1 - B5 : B3.6
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N9 : N5 Dark Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal

Treatment : No Enhanced
Origin : Lightning Ridge Opal Field, NSW Australia.
---------------------------------------------------
Total Item Weight : 5.74 Grams
Metal Type : Silver
Metal Purity : 92.5 Sterling
Ring Size :
US 7.5 (17.5 mm)
Britain/Australia N1/2
Asia 14
Euro 54