Have You Ever Heard Of A Salt-And-Pepper Diamond?

Aloha!  Yes.  Yes we have.  Black carbon flecks that are eye-visible in a natural Diamond resemble flecks of ground black pepper.  Following is an example of a Marquise Cut "Salt And Pepper" Diamond.  The clearness or whiteness of the Diamond would be the "salt."  So a Salt and Pepper Diamond is a way of saying the Diamond is included by black carbon spots/flecks.  These are usually very low-grade diamonds, typically having a clarity rating of I-3 (very heavily included).  Mahalo for the question.  We don't sell such Diamonds so we don't often hear that term.