Australian Natural Solid Opal Sterling Silver Ring.
Opal Type : Solid Australian Dark Opal
Carat Weight : 0.25 ct
Size : 4.50 mm x 4.50 mm approx
Color : Green Blue
Shape : Round
Cut : Medium Dome Cabochon
Clarity : Translucent
Brightness B1 - B5 : B3.1
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 : NONE
Origin : Lightning Ridge Opal Field, NSW Australia.
-------------------------------------------------------------------
Total Item Weight : 3.40 grams
Metal Type : Silver
Metal Purity : 92.5 Sterling Silver
Ring Size :
US-7 (17.3mm)
Britain/Australia N1/2
Asia 14
Euro 54