RESERVED unset opals N1-N4:Black Opal N5-N6: Dark Opal

N1-N4:Black Opal   N5-N6: Dark Opal   N7-N9:Light Opal

Australian Solid White Opal10k Gold and Sterling Silver Ring

83 mm approx

Clarity : Semi Opaque

5B1:Faint    B2:Dull    B3:Bright     B4:Very Bright     B5:BrilliantBody Tone N1-N9 : N7 Light OpalN1-N4:Black Opal     N5-N6:Dark Opal     N7-N9:Light OpalTreatment : NONEOrigin : Lightning Ridge Opal Field

RESERVED unset opals N1-N4:Black Opal N5-N6: Dark OpalSolid Polished Black Opal from Australia. Opal Type : Solid Australian Black Opal Carat Weight : 1. 74 ct Size : 6. 28 mm x 10. 41 mm approx Thickness : 4. 53 mm Color : Blue Green Shape : Free Shape Cut : Medium Dome Cabochon Clarity : Translucent Brightness B1 B5 : B4 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