A and J Jewelry San Francisco | Wholesale Diamonds & Custom Settings

Direct Access to GIA Diamond Wholesalers

Located within the prestigious San Francisco Gift & Jewelry Center, A and J Jewelry offers a vast inventory of GIA and EGL certified loose diamonds. By cutting out the middleman, clients can access investment-grade stones at wholesale prices.

Whether you are looking for a classic round brilliant or a trendy pear-shaped diamond, our diamond experts will guide you through the 4Cs to find the perfect stone for your budget.

Certified Conflict-Free Diamonds
Wholesale Engagement Ring Packages
Expert Stone Sorting & Grading

Loose GIA certified diamonds selection San Francisco - A and J Jewelry wholesale diamond display featuring round, pear, and cushion cuts on a professional jeweler tray — **A and J Jewelry:** A premier wholesale selection of GIA-certified loose diamonds, offering unparalleled brilliance and various cuts for your custom engagement settings in San Francisco.

Expert custom ring setting San Francisco - A and J Jewelry goldsmith meticulously setting a loose cushion cut diamond into a bespoke white gold mounting at a traditional workspace — **A and J Jewelry:** Technically superior craftsmanship in bespoke setting. Masterful artistry at the bench, where intricate mountings are meticulously assembled using specialized precision tools and analyzed for ultimate brilliance in San Francisco.

Custom Platinum & Gold Settings

A and J Jewelry specializes in custom engagement ring settings. Our on-site workshop provides professional platinum casting and 14k/18k gold fabrication. We take pride in creating bespoke bridal jewelry that reflects your unique style.

If you have an existing stone, we offer expert diamond setting and mountings that prioritize both beauty and structural integrity.

Visit Us in the SOMA District

A and J Jewelry
888 Brannan St, San Francisco, CA 94103

Conveniently located in the South of Market (SOMA) area, our showroom is part of the largest jewelry collective in Northern California.

Hours: Tue - Sat (10:00 AM - 5:00 PM)