Opal Type : Solid Australian Dark Opal
Carat Weight : 4.25 cts
Size : 6.29 mm x 23.71 mm approx.
Color : Multi Color
Shape : Free Shape
Cut : Low 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 : No Enhanced
Origin : Lightning Ridge Opal Field, NSW Australia.
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Total Item Weight: 9.47 g
Metal Type: Silver
Metal Purity: 92.5 Sterling
Ring Size:
US 7 (17.3 mm)
Britain/Australia N1/2
Asia 14
Euro 54