Diamond Supply Co. Customer Service Hours are as follows: Monday through Friday (10:00am - 4:30pm PST)
Phone: 323.782.0668 (10:00am - 4:30 PST)
Any inquiries made during the weekend will be answered the following MONDAY.
If you are having problems placing an order or have an issue with an order you’ve already received please contact our Online Shop at email@example.com. Please note that only emails concerning purchases made directly through the Diamond Supply Co. web store will be answered.