Mintabie Solid White Opal Ring Size:US 7 B1:Faint B2:Dull B3:Bright B4:Very Bright

B1:Faint   B2:Dull   B3:Bright   B4:Very   Bright B5:Brilliant

Lightning Ridge Solid Natural Black Crystal Opal

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

Australian Natural Solid Black Opal Sterling Silver Ring

Mintabie Solid White Opal Ring Size:US 7 B1:Faint B2:Dull B3:Bright B4:Very BrightAustralian Natural Solid White Opal Sterling Silver Ring. Opal Type : Solid Australian Light OpalCarat Weight : 2. 08 ctSize : 8. 68 mm x 14. 27 mm approx. Color : Multi ColorShape : Free ShapeCut : Medium Dome CabochonClarity : OpaqueBrightness B1 B5 : B3. 6B1: 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, South