Solid Australian Mintabie Natural Opal Ring

Opal Type : Australian Solid Dark OpalCarat Weight : 1.40 ctSize : 5.00 mm x 12.30 mm approxColor : Multi-Color Shape : MarquiseCut : Low Dome CabochonClarity : OpaqueBrightness B1 - B5 : B3.6B1: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 : Mintabie Opal Field, South Australia. ---------------------------------------------------Total Item Weight : 4.22 gMetal Type :92.5 Sterling Silver (Ring Shank)10k Gold ( Bezel only) Ring Size :US 7 (17.3 mm)Britain/Australia N1/2Asia 14Euro 54