The Rapaport Report (Feb 1, 2002) downgrades the cut-quality from "A" to "B" for diamonds with "surface graining." The price reduction is about 10%.
The GIA seems less negative on "graining" for either clarity or cut (their Diamond course).
Is graining really bad?
![Twirl :twirl: :twirl:](/community/styles/default/xenforo/smilies/26.gif)
The GIA seems less negative on "graining" for either clarity or cut (their Diamond course).
Is graining really bad?
![Twirl :twirl: :twirl:](/community/styles/default/xenforo/smilies/26.gif)