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Business Details
32 Years
experience
Custom Jewelry & Repairs in Windsor, CA
Michael Company Jewelers has been crafting exceptional custom jewelry for 30 years in Sonoma County. Our expertise lies in creating one-of-a-kind pieces using natural rainbow sapphires, colored stones, and precious metals. We specialize in intricate designs that incorporate heirloom elements, exotic gemstones, and traditional European techniques. Our team of skilled goldsmiths utilizes advanced laser welding technology for precise repairs of delicate jewelry. With a GIA-trained graduate gemologist on staff, we provide accurate appraisals for insurance and estate purposes. Our commitment to quality extends to every service, from restoring family heirlooms to designing contemporary engagement rings.

We maintain a curated selection of exclusive collections from renowned designers like Van Craeynest and Philip Zahm. Our dedication to preserving craftsmanship while embracing innovation has made us a trusted name in the jewelry industry. We serve clients seeking both timeless classics and avant-garde statement pieces. Our new location in Windsor, CA offers a refined setting for personalized consultations and design collaborations.
Services
Custom Jewelry Design Jewelry Repairs Gemstone Appraisals Colored Stone Jewelry Handmade Rings
Details
  • Year established: 1994
Highlights and features
  • 30 years of jewelry craftsmanship experience in Sonoma County
  • GIA-trained gemologist for accurate appraisals
  • Laser welding technology for precise jewelry repairs
  • Exclusive European handmade ring collection
  • Custom designs incorporating heirloom elements
Associations and certifications
  • GIA
Services
Custom Jewelry Design
We create personalized jewelry pieces using precious metals and natural gemstones. Our designers collaborate with clients to transform ideas into wearable art. Each creation incorporates unique elements like heirloom stones or historical design motifs.
Jewelry Repairs
Our skilled goldsmiths perform precise repairs using laser welding technology. We restore delicate chain links, reset stones, and repair antique pieces while maintaining structural integrity. Emergency repair services available for urgent needs.
Gemstone Appraisals
GIA-certified professionals provide accurate appraisals for insurance and estate purposes. We evaluate gemstone quality, metal purity, and craftsmanship to determine fair market value. Documentation includes detailed descriptions and photographs.
Colored Stone Jewelry
We specialize in creating pieces featuring natural rainbow sapphires and exotic colored stones. Our collection includes tourmaline, opal, and tanzanite jewelry. Each stone is selected for its unique color properties and quality characteristics.
Handmade Rings
Our exclusive European-made rings feature hand-pierced and chased designs. Available in 18kt gold and platinum, these pieces showcase traditional craftsmanship techniques passed down through generations. Custom sizing and engraving options available.
Questions
What custom jewelry options are available?
We create custom rings, pendants, bracelets, and earrings using precious metals and natural gemstones. Clients can incorporate heirloom elements or design entirely new pieces.
Do you repair all jewelry types?
Yes, our goldsmiths handle delicate chain repairs, stone replacements, and antique restoration using laser welding technology for precise, durable results.
Are appraisals included with purchases?
We provide complimentary basic appraisal documentation for custom pieces. Detailed GIA-certified appraisals available for insurance and estate purposes.
What gemstones do you work with?
We specialize in natural rainbow sapphires, tourmaline, opal, and tanzanite. We also source diamonds, rubies, and emeralds for custom designs.
How long does custom jewelry take?
Custom pieces typically require 4-6 weeks for design and fabrication. Rush orders may be accommodated with prior arrangement.