Question: is ags better than gia?
Answer: In the US market, the AGS lab is the second most widely used lab service after GIA. ... Here's an example to help you out: if a jeweler tells you that a diamond has an AGS cut grade of 0, clarity grade of 3 and color grade of 2.5, the equivalent on the GIA scale is a diamond with Excellent cut, VS1 clarity and I color.