Australian Natural Solid Opal Sterling Silver Ring.
Opal Type : Solid Australian Dark Opal
Carat Weight : 2.83 ct
Size : 7.81 mm x 17.65 mm approx.
Color : Multi-Color
Shape : Free Shape
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 : N6 Dark 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 : 3.76 grams
Metal Type : Silver
Metal Purity : 92.5
Ring Size :
US-7.5 (17.7 mm)
Britain/Australia O1/2
Asia 15
Euro 55.5