Following in his father’s footsteps, Guy Blumenthal opened his doors in 1978, specializing in watches and watch repair. His extraordinary knowledge of jewelry and design quickly began a transformation that created one of the finest and most distinguished jewelry stores in all of San Diego.

The Blumenthal family’s closely-knit team of jewelry professionals has been faithfully carrying out the mission of forming lasting relationships with clients. Unsurpassed expertise in design, manufacturing, and creativity offers a jewelry experience that is unmatched.

Guy and Pat Blumenthal

The ability to source the virtually unattainable is a specialty of Blumenthal’s.  The vast inventory of hundreds of brands and designer lines, as well as rare and one of a kind pieces has received such an overwhelming response that the quest for the unusual has become the primary focus at Blumenthal’s.



Blumenthal’s is happy to assess the approximate value of your jewelry at no charge. Written appraisals for insurance purposes are provided by one of our experienced appraisers and include a high-resolution photograph, thorough cleaning, precise measurements of stones, and a detailed description -$125.00


Thirty years’ experience in the craft and business of custom jewelry make Blumenthal’s experts at jewelry restoration and repair. Whether you have a family heirloom or a newer piece of jewelry, you can trust us to restore it to its original beauty. We welcome you to visit us regularly for jewelry maintenance and cleaning to ensure that your treasures are secure for a lifetime.

Jewelry repair services include:

  • Chain soldering
  • Bracelet re-hinging
  • Clasp replacement
  • Prong re-tipping
  • Restringing
  • Ring Sizing
  • Stone Setting
  • Stone Replacement
  • Jewelry refurbishing
  • Laser welding


Can’t find what you’re looking for? At Blumenthal’s, if you can imagine it, we can create it. Our talented designers will work with your idea, sketch, or photo, using the latest CAD/CAM (Computer Aided Design and Manufacturing) technology, to craft your dream into a tangible and beautiful reality. Within just three weeks we can design, craft, and produce your custom jewelry piece from start to finish.


Blumenthal’s on-site expert watchmaker specializes in repair of fine watches, such as Rolex, Omega, Rado, Cartier, Patek Phillippe, LeCoultre, Audomars Piguet, Piaget, as well as complete restoration of vintage watches and antique pocket watches. All restorations include a one-year repair warranty. Estimates are free.

Services include:

  • Battery replacement
  • Band adjustments
  • Band and case cleanings
  • Band repairs
  • Band replacements
  • Crystal replacements
  • Stem and crown replacements
  • Dial refinishing
  • Marker resetting
  • Internal movement cleaning and overhauls
  • Vacuum pressure testing (water resistance test)
  • Stainless steel, silver, or gold band refurbishments


With gold prices at a record high, this is the perfect time to cash in or trade your broken or unwanted jewelry.

Our prices are very competitive and the process is quick and easy.