0.51 ct Black Opal 5.5 x 1.8 mm

·      Total Weight: 0.51 ct

·      Dimension + Cut: 5.5 x 1.8mm Round

·      Body Tone: N2

·      Brightness: B3

·      Dome: low

·      Opal Origin and Type: Lightening Ridge Black Opal

·      Predominant colors: Dark Sea Green/Blue

·      Predominant Patterns: Moss

·      Additional Note: