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Business Details
50+ Years
experience
Your Trusted Family-Owned Jewelry Store in Rockford, IL
Gruno's Diamonds has been a family-owned and operated jeweler since 1953, founded on principles of quality, integrity, and personalized service. Our expertise spans certified diamonds, fine jewelry, luxury Swiss watches, and custom design, supported by generations of gemological knowledge. We offer comprehensive services including jewelry repairs, appraisals, and financing options, serving customers in Rockford, Illinois, and Madison, Wisconsin.

Our team prioritizes craftsmanship and customer care, ensuring every piece reflects meaningful milestones. With a commitment to education and community trust, we continue to honor our legacy while embracing modern trends and technology.
Services
Custom Design Jewelry Repairs Appraisals Watch Repairs Diamond Certification Luxury Watches Financing Options Gold Buying Jewelry Insurance Corporate Gifts
Details
  • Year established: 1953
Highlights and features
  • We offer over 70 years of experience in fine jewelry and engagement rings.
  • Our team provides personalized gemological expertise and custom design services.
  • We operate two showrooms with a legacy of trust and community recognition.
  • Our services include certified diamond selection, luxury watch sales, and repairs.
  • We guarantee transparency and integrity in every jewelry purchase.
Associations and certifications
  • Official Rolex Jeweler
Services
Custom Jewelry Design
Our custom jewelry service transforms your vision into a unique, handcrafted piece. Using premium metals and gemstones, we collaborate closely with clients to create one-of-a-kind designs. This service includes detailed consultations, CAD modeling, and expert craftsmanship, ensuring every creation reflects personal style and significance.
Jewelry Appraisals
We provide professional jewelry appraisals for insurance, estate planning, or resale purposes. Our certified gemologists evaluate pieces based on material quality, craftsmanship, and market value. This service ensures accurate documentation and peace of mind for preserving your jewelry's worth.
Watch Repairs
Our expert watchmakers handle repairs for luxury timepieces, including Rolex and TUDOR watches. Services range from battery replacements to complex mechanical overhauls, using genuine parts and advanced tools. We ensure precision and longevity for your valuable watches.
Certified Diamonds
We offer a curated selection of GIA-certified diamonds, ensuring authenticity and quality. Our inventory includes various cuts, carat sizes, and settings to suit different preferences and budgets. Customers receive detailed certification and guidance to make informed purchases.
Jewelry Repairs
Our on-site jewelers perform repairs ranging from resizing rings to restoring heirloom pieces. Using advanced techniques, we address damage while preserving the integrity of your jewelry. This service ensures your treasured items remain in pristine condition.
Questions
What services does Grunos Diamonds offer?
We provide custom jewelry design, certified diamond sales, watch repairs, appraisals, jewelry repairs, financing options, and luxury watch sales.
Are your diamonds certified?
Yes, we offer GIA-certified diamonds, ensuring quality and authenticity with proper documentation.
Do you repair luxury watches?
Yes, we specialize in repairing Rolex and TUDOR watches using genuine parts and expert techniques.
Can I get jewelry appraisals for insurance?
Yes, our certified gemologists provide detailed appraisals for insurance or resale purposes.
Do you have financing options?
Yes, we offer financing to allow customers to purchase jewelry and pay over time.
Where are your showrooms located?
We have showrooms in Rockford, Illinois, and Madison, Wisconsin.