Solid Australian Lightning Ridge Black Opal Sterling Silver Ring Semi Black Opals 64 gMetal Type : Silver

64 gMetal Type : Silver Metal Purity : 92

Opal Type : Solid Australian

5B1: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

9 mm)Britain/Australia PAsia 15

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Solid Australian Lightning Ridge Black Opal Sterling Silver Ring Semi Black Opals 64 gMetal Type : SilverOpal Type : Solid Australian Black Opal Carat Weight : 1. 34 ct Size : 7. 54 mm x 8. 50 mm approx. Color : Green Blue Shape : Free shape 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 : N4 Black Opal N1 N4: Black Opal N5 N6: Dark Opal N7 N9: Light Opal Treatment : No EnhancedOrigin : Lightning Ridge Opal Field, NSW Australia. Total Item Weight : 4.