Australian Solid Black Opal 10k Gold Ring.
Opal Type : Australian Solid Black Opal
Carat Weight : 0.85 ct
Size : 5.72 mm x 9.83 mm approx
Color : Green Blue with a touch of Orange
Shape : Oval
Cut : Medium Dome Cabochon
Clarity : Opaque
Brightness B1 - B5 : B3.7
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.
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Total Item Weight : 1.52 grams
Metal Type : Gold
Metal Purity : 10k
Ring Size :
US-6.5 (16.9 mm)
Britain/Australia M1/2
Asia 13
Euro 52.5