John Owasso Store

John E. Koller – Master Jeweler & Designer With over 38 years of experience in jewelry design and repair, John is known for his precision craftsmanship and commitment to quality. He began his career in 1986 in New Jersey, where he quickly developed a passion for creating and restoring fine jewelry. John trained extensively in all aspects of the trade, from custom design and fabrication to stone setting and diamond grading. After stepping into a lead role early in his career, he continued to refine his skills through advanced training, including courses with GIA, earning his Diamond Certification. In 2002, John relocated to Tulsa, Oklahoma to work with Felts Diamond and Design, where he further expanded his expertise using advanced tools and techniques. Following the company’s closure in 2007, he established John E. Koller Jewelry Designs in Owasso, Oklahoma. Today, John specializes in custom jewelry design and expert repairs, working closely with clients to bring their ideas to life. His dedication to craftsmanship and personalized service has made him a trusted name in the community.