We have quality in Grayish Color, Black Blue Color and Pure Black color, also we have quality in AAA, AA, A and B grade for each color.

AAA: Clean table, deep blue and looks black with best shining.

AA: Clean table, shining is better than A.

A: Few white spot and scrath on the table and bottom, shining is fine,

AB: Commercial quality with some white spot and scratched and chipped.

 

We do have blue sapphire mined located in China in cheap price which are darker than from other countries.