went to b&m store the other day, was just looking. looked @ diamond through a loope. there was a moderate line of deep red along the inside of a princess cut. i mentioned it to the clerk, who took it out of my hand to get a look for herself. so she procedes to clean it, then looks @ it through loope and sees red area i pointed out. she states to me, "oh, looks like you found a run of garnet!" and she looks @ me with excitement. i''ve never heard of this. i''ve read about white and dark inclusions but never red ones. is there such a thing as a run of garnet in a diamond?