Price per one stone. Quarter for sizing reference.  Please allow for slight differences as each piece is unique. From antiquity, carnelian has been worn in cameos in the belief that it would ward off insanity and depression. In contemporary times, carnelian is thought by some to enhance self-esteem and creativity, to combat feelings of inadequacy, to increase physical energy and overcome insomnia. In the home, carnelian is believed to increase motivation towards action.