Services and Appraisals

Gruno’s Diamonds – Premier Jewelry Stores

Welcome to Gruno’s Diamonds. As Rockford and Madison’s premier jeweler, we strive to make your in-store and online experience both memorable and enjoyable. This site is created to provide you with an overview of our exceptional offerings alongside helpful information. Yet, the best way for us to serve you is in person. We invite you to visit our store and look forward to getting to know you soon.

Jewelry Repair

Gruno’s is a full-service jeweler with master craftsmen who provide in-house jewelry repair to customers. We know how much that ring, bracelet, necklace, earrings, watch, or any other piece of jewelry means to you, so we make sure that it’s handled with care in a timely manner.

Watch Repair

Gruno’s features an in-house certified watchmaker who is CW21 and WOSTEP certified. We offer a range of watch repair services from partial and maintenance to complete repairs. Not only does our watchmaker consistently perform with a high level of technical skill and expertise, he is also supported by some of the most sophisticated instruments available. We truly handle every job with the utmost respect from start to finish. For more information and details on the process, timing and cost, please bring your timepiece to our store for inspection.

Insurance & Estate Appraisals

Whether your updating insurance, need estate evaluations or gifting, the certified gemologists at Gruno’s can prepare an accurate timely document complete with photographs. Have your precious heirlooms protected properly and insured today.

Gruno’s Diamonds is a proud member of the American Gem Society dedicated to consumer protection, ethical business practices, and the development and maintenance of superior gemological skills. We look forward to serving you soon.

our locations

801 N. Perryville Rd, Rockford, IL 61107


7311 West Towne Way, Madison, WI 53719