I met a woman that had a green diamond set in a ring. The stone was a very light green with an iridescent quality. It looked almost like a mystic gemstone, and I was suprised to find out that it was a diamond. I've searched the net and have not come across a stone that looks like hers. She said that she bought it at an estate auction, but I did not ask her how much she paid for it. I was wondering if anyone might know where I could find info on a diamond like the one described, and how they compare in price to other diamonds.