Lightning Ridge Solid Natural polished Opal with Multi-Color Fires. Australian Variscite Ring 7B1:Faint B2:Dull B3:Bright B4:Very Bright

7B1: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

10 ctSize : 10

73 ctSize : 10

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69 mm approx

Lightning Ridge Solid Natural polished Opal with Multi-Color Fires. Australian Variscite Ring 7B1:Faint B2:Dull B3:Bright B4:Very BrightAustralian Solid Natural Polished Opal. Opal Type : Solid Australian Dark Opal Carat Weight : 1. 30 ct Size : 8. 24 mm x 10. 70 mm approx Thickness : 2. 10 mm Color : Multi Color Shape : Oval Cut : Low Dome Cabochon Clarity : Semi Translucent Brightness B1 B5 : B3. 6 B1: Faint B2: Dull B3: Bright B4: Very Bright B5: Brilliant Body Tone N1 N9 : N6 Dark Opal N1 N4: Black Opal N5 N6: Dark Opal N7 N9: Light Opal Treatment : NONE Origin : Lightning Ridge