I went over to Raymonds house after work to test the stones in the ring sitting on the 14k gold bracelet and they tested good for diamonds... These are his finds from the last 2 months from the favorite beach we detect once a week. Our PI PRO's sniff out the gold 
http://img.photobucket.com/albums/v634/Cfmct/ray.jpg

http://img.photobucket.com/albums/v634/Cfmct/ray.jpg