Natural Mintabie Solid Opal Sterling Silver Ring Size US 6.75 6B1:Faint B2:Dull B3:Bright B4:Very Bright

6B1:Faint     B2:Dull     B3:Bright     B4:Very Bright     B5:BrilliantBody Tone N1-N9 : N3 Black OpalN1-N4:Black Opal     N5-N6:Dark Opal     N7-N9:Light OpalTreatment : NONEOrigin : Lightning Ridge Opal Field

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Australian Natural Solid Black Opal 10k Gold and Sterling Silver Ring

00 mm x 13

Natural Mintabie Solid Opal Sterling Silver Ring Size US 6.75 6B1:Faint B2:Dull B3:Bright B4:Very BrightOpal Type : Solid Australian Light Opal Carat Weight : 1. 09 cts Size : 6. 28 mm x 8. 36 mm approx. Color : Multi Color Shape : Oval Cut : Low Dome Cabochon Clarity : Opaque Brightness B1 B5 : B3. 6 B1: Faint B2: Dull B3: Bright B4: Very Bright B5: Brilliant Body Tone N1 N9 : N8 Light Opal N1 N4: Black Opal N5 N6: Dark Opal N7 N9: Light Opal Treatment : No Enhanced Origin : Mintabie Opal Field, South Australia. Total Item Weight: 4. 31 g Metal Type: