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Business Details
29 Years
experience
Your Trusted Jewelry Store in Monroe, MI
Diamond Design has been serving the Monroe community since 1997 as a locally owned full-service jewelry store. Our commitment to personalized service ensures every customer receives expert guidance in selecting or creating custom jewelry pieces. With over 30 years of combined experience, our team specializes in transforming client visions into unique jewelry using either customer-provided or store materials. We offer comprehensive services including jewelry repair, resizing, watch maintenance, and precious metal buying. Our inventory features certified diamonds, gemstones, and collections from renowned brands like Seiko and Alex and Ani.

The business maintains exceptional craftsmanship standards while providing competitive pricing across all products and services. Our owner-operator model ensures direct access to expert jeweler John Tartarian for all custom design projects. We prioritize customer relationships through transparent communication and quality assurance. The store's central Monroe location at 101 S. Monroe Street offers convenient access for local clients. Our reputation for excellence has been built through consistent delivery of high-quality workmanship and personalized attention to client needs.
Services
Custom Jewelry Design Jewelry Repair Gold Buying Watch Battery Replacement Ring Resizing Gemstone Setting Maintenance Services Estate Jewelry Certified Diamonds Seiko Watches
Details
  • Year established: 1997
Highlights and features
  • We offer 30+ years of jewelry design experience with in-house customization
  • Our certified diamonds and gemstones meet strict quality standards
  • We provide complete repair services including ring resizing and watch maintenance
  • We buy gold, platinum, silver, and diamonds at competitive market rates
  • Our owner-operated business ensures direct access to expert jeweler John Tartarian
What people say
Excellent craftsmanship Personalized service Exceeded expectations Best customer service Unique design
Services
Custom Jewelry Design
Transform your vision into unique jewelry using our materials or yours. Our expert jeweler John Tartarian works directly with clients to create one-of-a-kind pieces from concept to completion. Services include CAD design, wax modeling, and precious metal casting for rings, pendants, and custom settings.
Jewelry Repair
Professional in-house repair services for all jewelry types. We handle ring resizing, clasp replacement, stone setting, and complex restoration projects. Our experienced technicians use advanced equipment to fix broken chains, damaged mountings, and worn prongs while maintaining original integrity.
Gold Buying
Competitive pricing for gold, platinum, silver, and diamonds. We provide transparent evaluations based on current market values with no hidden fees. Our secure process ensures fair compensation for estate jewelry, broken pieces, or unused precious metal assets.
Watch Maintenance
Complete watch servicing including battery replacement, band adjustments, and mechanical repairs. We work with both luxury and everyday timepieces to ensure accurate function and longevity. Our technicians handle quartz and automatic watch movements with specialized tools.
Gemstone Setting
Expert gemstone setting and replacement services for rings, necklaces, and bracelets. We securely set diamonds and colored stones using various techniques including prong, bezel, and pave settings. Our precision ensures proper alignment and maximum brilliance for all precious and semi-precious stones.
People
John Tartarian
Owner & Master Jeweler
With over 30 years of experience, John Tartarian learned jewelry craftsmanship from family members before establishing Diamond Design in 1997. He specializes in custom design, repair work, and precious metal evaluation while maintaining direct client relationships for all projects.
Questions
What jewelry services do you offer?
We provide custom jewelry design, repair services, watch maintenance, gold buying, and certified diamond sales. Our in-house jeweler handles resizing, stone setting, and estate jewelry evaluation.
Can you create custom jewelry from my existing materials?
Yes, we can incorporate your gold, platinum, or gemstones into new custom designs. Our jeweler works directly with clients to transform heirloom pieces into modern creations.
Do you buy used jewelry?
We purchase gold, platinum, silver, and diamonds at current market rates. Our transparent evaluation process ensures fair compensation for estate jewelry or unused precious metal assets.
What are your repair turnaround times?
Most repairs complete within 1-2 weeks. Ring resizing typically takes 3-5 business days while complex restoration projects receive specific timelines during consultation.
Are you open on weekends?
Yes, we're open Saturdays 10 AM-4 PM. The store is closed Sundays and Mondays, with regular weekday hours from 10 AM-6 PM Tuesday through Friday.
Do you offer appointment scheduling?
While walk-ins are welcome, we recommend appointments for custom design consultations to ensure dedicated time with our jeweler for detailed project discussions.