Our Team

After nearly 45 years in business, the well recognized landmark of uncompromising quality and personalized service in Alamo—Mark Kahn Jewelers—is excited to announce its transition to the next generation, as Diablo Fine Jewelers.
Built upon the rock-solid foundation of professional expertise and integrity so well established by Mark Kahn, Mark’s daughter, Julie Kahn-Crowder, along with co-owners Ron Shelly and David Fitts, bring their vast collective experience to Diablo Fine Jewelers.

Ron Shelly

Ron Shelly has a wealth of experience in the jewelry industry. He has lived in the East Bay for over 35 years and, like Julie, has earned an extremely loyal following. Ron believes that jewelry is meant to be worn and enjoyed. He is very fashion forward and enjoys helping his clients build their jewelry wardrobes.


Julie Kahn-Crowder

Julie was brought up in her father’s jewelry business and now has over 35 years of experience in the industry. A long time Alamo resident, she loves to develop personal, long term relationships with her clients—something evident by her loyal following. Julie is an expert in re-imagining an outdated piece into something beautiful and current. She is also experienced in restringing and engraving.


David Fitts

David comes to Diablo Fine Jewelers with 28 years of experience in all aspects of this ever changing industry. As a salesperson, manager and buyer, he is uniquely qualified to serve all of your jewelry needs. He has traveled throughout the United States and Europe and developed a keen eye for style and trends.

Julie, Ron and David invite you visit Diablo Fine Jewelers—where you’ll discover how a legacy of exceptional service and quality continues and why experience is the difference!