Wanderlust World Wanderlust World No, there are no active commercial diamond mines in Arizona.
While trace diamonds have been found in a few locations (e.g., near Payson, Winkelman), occurrences are small, scattered, and non-commercial.
The only public diamond-producing site in North America is Crater of Diamonds State Park in Arkansas, where visitors can search for and keep diamonds.
Arizona's mineral fame lies in copper, silver, gold, turquoise, and peridot – not diamonds.