Solid Natural Lightning Ridge Opal Ring

Opal Type : Solid Australian Dark Opal Carat Weight : 0.60 ctSize : 5.50 mm x 5.50 mm approxColor : Yellow Green BlueShape : RoundCut : Medium Dome CabochonClarity : OpaqueBrightness B1 - B5 : B3.5B1:Faint  B2:Dull  B3:Bright  B4:Very  Bright B5:BrilliantBody Tone N1-N9 : N6 Dark OpalN1-N4:Black Opal  N5-N6:Dark Opal  N7-N9:Light OpalTreatment : NONEOrigin : Lightning Ridge Opal Field, NSW Australia --------------------------------------------------- Total Item Weight : 1.65 gMetal Type :92.5 Sterling Silver (Ring Shank)10k YG ( Bezel only)Ring Size :US 4.5 (15.3 mm)Britain/Australia IAsia 8Euro 47