Retail Lobby Hours

Visit the DiamondCore Tools headquarters in El Cajon, CA, about 20 minutes from downtown San Diego. Find all the DiamondCore tools, clay, glazes and more for purchase in one convenient place.


DiamondCore® Tools
680 W. Bradley Ave.
El Cajon, CA  92020 

Lobby Access:
Monday: 10 am-4 pm
Tuesday: 10 am-4 pm
Wednesday: 10 am-4 pm
Thursday: 10 am-4 pm
Friday: 9 am-noon
Saturday: 9 am-1 pm
Sunday: closed