Solid Lightning Ridge Black Opal Ring

Australian Natural Solid Black Opal 10k Gold and Sterling Silver Ring. Opal Type : Solid Australian Black OpalCarat Weight : 0.72 ctSize : 6.23 mm x 8.87 mm approx.Shape : OvalColor : Green Blue with a touch of OrangeCut : Low Medium Dome CabochonClarity : TranslucentBrightness B1 - B5 : B3.7B1:Faint    B2 :Dull    B3:Bright    B4:Very Bright    B5:BrilliantBody Tone N1-N9 : N4 Black OpalN1-N4:Black Opal    N5-N6:Dark Opal    N7-N9:Light OpalTreatment : NONEOrigin : Lightning Ridge Opal Field, NSW Australia---------------------------------------------------Total Item Weight : 2.07 gMetal Type :92.5 Sterling Silver (Ring Shank)10k Gold ( Bezel only)Ring Size :US-5 (165.7 mm)Britain/Australia J1/2Asia 9Euro 49