Price listed is for eight glass stones. These are approximately 13mm by 7.8mm black diamond pear shaped stones. They have smooth rounded tops and nearly flat gold foil backs. The back of these will sit on a flat surface. However, they have just a slight rounding to them. They are called bombes. A few of these have scratches in the foil, but it can't be seen through the top. There are a few of these that are slightly cloudy.