From certified loose diamonds and engagement rings to fine designer pieces, timepieces, and expert repairs, our showroom brings everything under one roof. Three generations of hands-on experience mean you get real guidance, not a sales pitch.
For our Costa Mesa neighbors, William Harold & Sons is a short drive south and an easy stop for anyone browsing near South Coast Plaza. Costa Mesa shoppers have leaned on our family as the trusted alternative to big-box jewelers for decades.
We are a third-generation, family-owned business that has kept the same doors open for over 50 years. That longevity is built on honest advice, fair pricing, and relationships that outlast a single purchase. We are an easy stop for Costa Mesa shoppers near South Coast Plaza.
SELL YOUR JEWELRY TO US
Ready to sell? The process with William Harold & Sons is straightforward and pressure-free. Bring your pieces to our Newport Beach showroom for an honest, in-person evaluation from a jeweler who actually knows the market. Costa Mesa clients are just a short drive south of our showroom.
Have a question or a project in mind? Reach out or book a visit and one of our jewelers will walk you through it, no pressure and no obligation. Costa Mesa families have trusted us for decades.
