Visit Diamond & Design for the Best Custom Jewelry in Ontario
Our beautiful jewelry showroom is in Chino Hills, CA, just southwest of Ontario. We’re located
centrally within the Inland Empire, convenient to many neighboring communities. We’re happy
to say that our customers visit us from all across Southern California, hailing from cities such as
Corona, Montclair, Claremont, Pomona, Rancho Cucamonga, and Los Angeles.
If you’re planning your visit to Diamond & Design, know that you do not need to make an
appointment to shop at our showroom. However, we do have appointments available for those
who would prefer a more personalized experience. If you’d like to make an appointment, you
can do so online by clicking here. Or, if you’d prefer to schedule over the phone, call us at
909.393.1016.