Solid Lightning Ridge Black Opal Ring Size:US 6.75 45 ctSize : 6

45 ctSize : 6

35 mm approxColor : Green BlueShape : MarquiseCut : Medium Dome cabochonClarity : OpaqueBrightness B1 - B5 : B3

60 mm approx

8B1:Faint  B2:Dull  B3:Bright  B4:Very Bright  B5:BrilliantBody Tone N1-N9 : N8 Light OpalN1-N4:Black Opal  N5-N6:Dark Opal  N7-N9:Light OpalTreatment : NONEOrigin : Mintabie Opal Field

76 gramsMetal Type : SilverMetal Purity : 92

Solid Lightning Ridge Black Opal Ring Size:US 6.75 45 ctSize : 6Australian Solid Black Opal 10k Gold Bezel and Sterling Silver Ring. Opal Type : Solid Australian Black OpalCarat Weight : 0. 85 ctSize : 6. 80 mm x 6. 80 mm approx. Shape : RoundColor : Green BlueCut : Low Dome CabochonClarity : OpaqueBrightness B1 B5 : B3. 5B1: Faint B2 : Dull B3: Bright B4: Very Bright B5: BrilliantBody Tone N1 N9 : N2 Black OpalN1 N4: Black Opal N5 N6: Dark Opal N7 N9: Light OpalTreatment : NONEOrigin : Lightning Ridge Opal Field,