Phone anytime 415-898-1915 or Email
The jewelry designer table with tools and sketches

Mark Singerman, proprietor of Valentino Fine Jewelers in Novato, CA is a third-generation jeweler, designer and artist who has been serving customers in the San Francisco Bay Area for over 40 years.

Vintage wedding ring


web band ring by Facet


Diamond pendant loop earrings by Facet


Pearl necklace

Necklaces & Pendants

wide cuff bracelet in sliver with multicolor gems


Loose diamond in tweezers

Loose Diamonds

Custom Jewelry Design

Our custom jewelry design process starts with your vision and inspiration. We will closely work with you to bring your concept to life for custom-designed diamond rings, engagement rings, pendants, bracelets, and earrings. To aid in the creative process and to guide your imagination, we can show you many examples of custom-designed pieces and a large selection of loose gems.

Learn More
  • custom fine jewelry creation process
  • custom fine jewelry sketches
  • custom fine jewelry making
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