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Business Details
50+ Years
experience
Custom Jewelry Store in Ft. Mitchell, KY
Herzog Jewelers has been crafting custom jewelry and providing expert repair services in Northern Kentucky and Cincinnati for over a century. Our family-owned business combines generational expertise with formal gemological training, offering personalized solutions for engagement rings, heirloom restoration, and fine jewelry maintenance. With on-site repair capabilities and a commitment to community values, we prioritize customer education and ethical service.

Our team of certified gemologists and experienced jewelers ensures every piece receives meticulous attention, whether creating new designs or preserving cherished family treasures. We maintain active community involvement through board memberships and local initiatives, reflecting our dedication to both craft and community.
Services
Jewelry Repairs Custom Engagement Watch Repairs Appraisals Financing Permanent Bracelets
Details
  • Year established: 1924
Highlights and features
  • We offer 100+ years of combined jewelry expertise
  • Our team includes Graduate Gemologists from GIA
  • We provide on-site jewelry repair and restoration
  • Our Certified Gemologists ensure diamond authenticity
  • We maintain active community involvement since 1924
Associations and certifications
  • Gemological Institute of America (GIA)
  • American Gem Society (AGS)
What people say
Personalized service Expert craftsmanship Knowledgeable staff Custom design excellence Heirloom restoration
Services
Custom Engagement
Our custom engagement service creates one-of-a-kind rings tailored to your preferences. We guide clients through diamond selection, design choices, and craftsmanship. With expert gemologists and experienced jewelers, we ensure each piece meets exact specifications while maintaining structural integrity and beauty.
Jewelry Repairs
Our in-house repair service handles all jewelry maintenance needs. From simple resizing to complex heirloom restoration, our master jeweler with 25+ years experience uses professional techniques. We offer rhodium plating, stone resetting, and metal polishing to preserve your valuable pieces.
Appraisals
Professional appraisal services determine accurate valuations for insurance or sale purposes. Our certified gemologists examine craftsmanship, materials, and market value. We provide detailed documentation with photographic evidence and specifications for all appraised items.
Watch Repairs
We offer comprehensive watch repair services for mechanical and quartz timepieces. Our technicians handle battery replacements, movement repairs, and water resistance testing. We service both modern and vintage watches while maintaining original components and functionality.
Permanent Bracelets
Our permanent bracelet service creates seamless, claspless designs for everyday wear. Using high-quality materials and secure welding techniques, we craft bracelets that remain comfortably in place. This service includes customization options for metal types, widths, and finish styles.
People
Joe Koester
Owner
Second-generation owner with Graduate Gemologist credentials. Transformed business operations through strategic relocation and community engagement. Oversees daily operations and maintains family legacy of excellence in jewelry craftsmanship.
Ted Koester
Owner
Third-generation jeweler specializing in diamonds and gemstones. Holds dual certifications from GIA and AGS. Manages daily operations while maintaining technical expertise in jewelry design and problem-solving.
Terry Berte
Sales/Inventory Manager
38-year veteran of Herzog Jewelers with extensive jewelry knowledge. Handles inventory management and customer service. Known for problem-solving skills and expertise in pearls and diamond selection.
Angie Grubbs
In-House Jeweler
Master jeweler with 25+ years experience. Specializes in repair and restoration work. Holds Diamond Council of America certification. Ensures heirloom pieces maintain their integrity through generations.
Taylor Lindsay
Visual Coordinator
Handles visual design and content creation. Expert in jewelry coordination and presentation. Manages web presence while providing sales floor support. Focuses on enhancing customer experience through visual storytelling.
Questions
Do you offer custom jewelry design services?
Yes, we specialize in custom engagement rings and bespoke jewelry. Our designers work closely with clients to create unique pieces tailored to their preferences.
What repair services do you provide?
We offer comprehensive jewelry repairs including resizing, stone setting, polishing, and heirloom restoration. Most repairs are completed on-site by our master jeweler.
Can you appraise my jewelry?
Yes, our certified gemologists provide professional appraisal services. We assess value for insurance purposes or sales, with detailed documentation and photographic records.
Do you sell certified diamonds?
We offer both natural and lab-grown diamonds with proper certification. Our gemologists help clients understand diamond quality and selection criteria.
What are your business hours?
We're open Tuesday-Friday 10am-5:30pm, Saturday 10am-4pm. Closed Monday and Sunday. Appointments available for personalized consultations.
Do you offer financing options?
Yes, we provide financing options for qualified purchases. Speak with our staff to explore payment plans that suit your budget needs.
Reviews (7)
Chris C.
May 25, 2022 Report
Got my necklace back today that I had dropped off before Christmas to be repaired. I guess I should be glad the finally texted. I thought it was gone. Let's hope I don't need it repaired ever again. I was told that they called in January. I guess their policy is to reach out every quarter until they get a response.
Jake Wright
May 22, 2022 Report
Mandy at Herzog (along with all the staff) were great during our process. She was extremely attentive to our needs and never pushed us in any way. She was extremely patient and worked with us every step of the way. Even more than her sales help, she was a delight to work with as a person. Herzog and their staff never disappoint.
R. T.
Apr 21, 2022 Report
After visiting 6 different jewelry stores in the Tri-state, I chose Herzog Jewelers because of their friendly & responsive customer service, they made the jewelry selection process easy and fun, they had a great selection, and they have a long legacy. Mandy was incredibly helpful at educating me on what to look for, helping me narrow down the options to something I was proud of, and coming up with creative solutions. I definitely look forward to working with her again in the future and referring her name to friends.
Ron Allari
Apr 12, 2022 Report
I've been dealing with Herzog for 25 years and Joe and Ted and Kelly have always taken very good care of me! From making sure that our wedding rings showed up in Maui in time for our wedding, to many beautiful gifts for events in our lives, Herzog is where my wife and I go when we want something special.
Whitney Stith
Mar 27, 2022 Report
Replaced my wife's engagement ring that had been stolen to exact specifications that we previously had. Couldn't be happier with the personalized service from Ted and his team. You won't find a better local jeweler in Northern Kentucky. A special shout out to Mandy for delivering on exceptional service.
Ann O'Hara
Mar 16, 2022 Report
Love Herzog Jewelers! They are always courteous, professional and make the shopping experience so enjoyable! We've gone to Herzog's from our engagement and wedding rings to our 30th wedding anniversary ring. They have always made and I know will continue to make us feel special!
Tracy Ashworth
Mar 12, 2022 Report
I have had the pleasure working with each one of the customer service reps at Herzog and each are very knowledgeable! Mandy has helped me a lot with her unique gift of recognizing your jewelry style and what she thinks you will love. Very personable and super friendly atmosphere! I have loved every piece I have purchased!