A Quality stone: The stones is less of sparkling & brilliance. (Use the poor rough to make, The height/thickness of some stones are not reach the standard height of a diamond cut stone. And the Girdle of stones is thin or thick, not in symmetrical. So, some of stones looks Cloudy.

AA Quality stones: Use the Better rough to make, The sparkling & brilliance is better than A Quality, As the cutting & faceting is better.

AAA Quality (Standard) stones: Use the better rough to make,With the standard proportion of diamond cutting & faceting, calibrated in sizes & height, with symmetrical Girdle in general, Therefore, The sparkling & brilliance of stones are better than A & AA Quality.

4A Quality stones: Pick out from the 5A best quality stones. won’t make this kind of quality stone individually.

5A Best quality stones: The best/Top quality among the market, 4C standard, Use the best rough to make, Best Color,Best Clarity, Best Cut, Best Polished, With the thin & symmetrical Girdle. It’s the best sparkling & brilliant cz stones you’d ever seen.