Opal Type: Solid Australian Black Opal
Carat Weight: 1.70 cts
Size: 6.36 mm x 9.56 mm approx.
Color: Green Blue
Shape: Oval
Cut: Medium Dome Cabochon
Clarity: Translucent
Brightness B1 - B5 : B3.9
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N9 : N3 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: 5.62 g
Metal Type :
92.5 Sterling Silver (Ring band)
9k/375 Gold ( Bezel only)
Ring Size:
US 10 (19.8 mm)
Britain/Australia T1/2
Asia 20
Euro 62