15466 Los Gatos Blvd Ste 210, Los Gatos, CA 95032| 2-6PM Tuesday- Saturday No Appointment Necessary | (408) 358-5336 or Text (408) 455-9885| diamonds@gemgate.com
In recent years, green diamonds have turned up that have been exposed to americium-241 (an artificial radioactive element) for color treatment. These are detectable using a Geiger counter.
