Lightning Ridge Solid Black Opal 9k/375 Ring.
Opal Type : Australian Solid Black Opal
Carat Weight : 1.27 cts
Size : 5.47 mm x 12.74 mm approx.
Color : Blue
Shape : Long Oval
Cut : Medium Dome Cabochon
Clarity : Translucent
Brightness B1 - B5 : B3.5
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 : No Enhanced
Origin : Lightning Ridge Opal Field, NSW Australia.
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Total Item Weight : 2.48 Grams
Metal Type : Gold
Metal Purity : 9k/375
Ring Size :
US 7.75 (17.9 mm)
Britain/Australia P
Asia 15.5
Euro 56