John Giannakopoulos founded GIANNA JEWELERS in 2009 with a vision to offer the Cleveland/Akron area high quality, creative jewelry in a warm and inviting atmosphere. John is a graduate of the Gemological Institute of America in California. He is a Graduate Gemologist and Appraiser and is Certified in Diamonds, Diamond Grading, Colored Gemstones, Colored Gemstone Grading and Gem Identification. John has been in the jewelry industry for over 25 years.






The foundation of GIANNA JEWELERS is Service. GIANNA JEWELERS continues to set the standard for quality and service to all our valued customers. Our staff can accommodate every request whether it is a simple jewelry repair or a custom designed piece made especially for you. Our certified Watchmaker can provide our customers with superior service and reliability. Big or small, simple or complex, we provide the same level of care, expertise and courtesy to all. At GIANNA JEWELERS, we put the highest value on developing a long term relationship with our clients, and treating them fairly is always our first priority. We always strive to deliver unparalleled service while offering an exceptional selection of loose diamonds and gemstones as well as fine jewelry and watches. We realize the importance of earning your trust and we are committed to maintaining the highest levels of professionalism and integrity. One of the highest compliments we receive at GIANNA JEWELERS is a referral from a parent to their son or daughter to come to us to custom design or select an engagement ring. This level of trust is an honor and we make every effort to exceed expectations.