Located in the 580 MarketPlace at 4029 E Castro Valley Blvd
Castro Valley, CA 94552 510-889-0828
Store Hours: Tues – Sat 11AM to 7PM
  • <p>Located in Castro Valley in the 580 Marketplace </p>

    Located in Castro Valley in the 580 Marketplace

"We are a family owned and operated full-service jewelry store with the mission to serve our customers as we would want to be served. Sherry Yarnal has over 25 years experience in the jewelry industry. She earned her Graduate Gemologist Degree from the Gemological Institute of America (GIA) and obtained Senior Member status from the National Association of Jewelry Appraisers (NAJA). We offer on-site jewelry repair and custom design by a certified Revere Academy of Jewelry Arts Bench Jeweler and a Master Goldsmith with over 30 years experience. "


Custom Jewelry

Allow us to turn your dream jewelry into reality utilizing our “Paper to Platinum” process. Bring in your vision, our staff will first create a sketch and transform it to a family heirloom. We do this using CAD/CAM, hand molding and/or a combination of the two.

Jewelry Repair

We offer resizing of your rings, repair of prongs holding stones, provide any missing stones, solder or weld broken chains, replace clasps on bracelets and necklaces. We stock earring backs, just in case you’ve lost one.

Estate Jewelry

San Francisco East Bay’s largest selection of Retro, Art Deco, Edwardian and Victorian Era fine and fashion jewelry.

New Jewelry

Diverse selection of fine and bridge jewelry in karat gold and sterling silver. Our graduate gemologist selects a myriad of common and collector stones set in a wide variety of styles distinguishing our store from other jewelry stores.


It is our goal to help you select that perfect diamond in your price range utilizing our network of diamond suppliers.


Sherry is a Graduate Gemologist of the Gemological Institute of America (GIA) and Senior Member of the National Association of Jewelry Appraisers (NAJA) with a gem laboratory on site to produce a professional written appraisal report.


We restore your heirloom jewelry to its original condition OR just bring us a picture and good description of your admired treasure from the past and we can reproduce an heirloom just for you.

Green Jewelers

At Yarnal Jewelers, we are committed to the ecology and repurposing of jewelry and jewelry byproducts. Therefore, our mission is to promote awareness of conflict free diamonds, gold and labor in our products and practices. We recycle all materials: gold, platinum, silver, gemstones, diamonds.

Jewelry Cleaning

Our staff will clean, polish or rhodium plate your jewelry to bring back that original luster.

Pearl Restringing

Your pearls will be restrung using pearl cord, French wire and knotted between each pearl so you can wear the strand with confidence.

We buy gold and diamonds

Bring in your old and broken gold, silver and platinum jewelry and we can buy it or trade it in for a new piece.

Watch Repairs

We replace your battery or resize the band while you wait.

Customer Quote

"This is a great place to look for custom made jewelry, jewelry for everyday or special occasions. I purchased our wedding bands here and it's an awesome experience."

Satisfied Customer | Castro Valley, CA

Why Castro Valley Jewelers?


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