Business Details
Custom Jewelry Design & Appraisals in Cincinnati
Koop Diamond Cutters is a third-generation family-owned jewelry business dedicated to creating heirloom-quality pieces through custom design, expert repair, and professional appraisals. Our team combines traditional craftsmanship with innovative techniques to produce unique jewelry that reflects individual stories and milestones. With decades of experience serving the Cincinnati tri-state area, we prioritize personalized service, using premium materials to ensure every creation meets exacting standards.Our commitment to quality extends to meticulous repair work that preserves the sentimental value of heirloom pieces and precise appraisals that provide accurate valuations for insurance or resale. Customer satisfaction remains our highest priority, as evidenced by long-standing client relationships and testimonials highlighting our expertise in transforming ideas into cherished jewelry.
Services
Custom Jewelry Design
Jewelry Appraisals
Repair & Restoration
Estate Sales
Gemstone Selection
Highlights and features
- Third-generation family-owned jewelry business since 1981
- Personalized service for custom engagement rings and heirloom restoration
- Accurate appraisals by certified professionals for insurance purposes
- Expert repair services preserving sentimental jewelry value
- Extensive gemstone selection for bespoke designs
What people say
Exceptional custom jewelry
Expert appraisals
Personalized service
Long-term loyalty
Satisfaction with heirloom restorations
Services
Custom Jewelry Design
Transform personal visions into unique jewelry pieces using traditional craftsmanship and modern techniques. Our collaborative process involves design consultations, CAD modeling, and premium material selection. Clients receive one-of-a-kind creations for special occasions like weddings and anniversaries.
Jewelry Appraisals
Professional evaluation of jewelry for insurance or resale purposes. Certified appraisers analyze gemstone quality, metal purity, and craftsmanship to provide accurate valuations. Detailed reports document each piece's specifications and market value.
Repair & Restoration
Expert restoration of damaged or worn jewelry while preserving its original character. Services include ring resizing, stone replacement, prong repair, and chain soldering. Specialized care for heirloom pieces maintains their sentimental and historical value.
Estate Sales
Assisted selling of pre-owned jewelry through consignment arrangements. Professional market analysis determines optimal pricing strategies. Secure handling and marketing services maximize returns for estate jewelry transactions.
Gemstone Selection
Curated selection of high-quality diamonds, sapphires, emeralds, and specialty gemstones. Expert guidance helps clients choose stones based on cut, clarity, color, and carat weight. Ethical sourcing ensures premium materials for custom designs.
People
Justin Koop
Owner & Master Jewelcrafter
Third-generation jeweler with extensive expertise in custom design and appraisal services. Recognized for transforming client concepts into award-winning jewelry pieces while maintaining family legacy standards.
Questions
What custom jewelry services do you offer?
We create custom engagement rings, personalized pendants, and heirloom restorations using traditional techniques and modern design software.
Do you provide jewelry appraisal services?
Yes, our certified appraisers offer detailed evaluations for insurance coverage or resale purposes with comprehensive documentation.
Can you repair antique jewelry?
Our specialists handle delicate antique pieces with precision, maintaining original craftsmanship while restoring structural integrity.
What areas do you serve?
We primarily serve Cincinnati, Northern Kentucky, and Southeast Indiana from our downtown Cincinnati location.
How long does custom jewelry creation take?
The process typically takes 4-6 weeks depending on design complexity, including consultation, design approval, and crafting phases.
Do you buy estate jewelry?
We offer consignment services for estate jewelry rather than direct purchases, helping maximize returns through targeted sales.
