$50 Gift Certificate to Continental Jewelers in Novato.  

As second generation jewelers and gemologists, Phillip and Eva Schlenker, owners of Continental Jewelers, bring a tradition of exceptional quality, style and service to their work. From classical to contemporary, Continental Jewelers offers an array of the finest and rarest of earth’s gems set into beautiful and finely crafted designs.

http://www.designsbycontinental.com