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    Radon Reduction Systems

    5.0 (6 reviews)
    Closed 8:00 am - 8:00 pm

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    Costello Jewelry - Our ring post work done

    Costello Jewelry

    (106 reviews)

    $$$

    Costello Jewelry in Naperville never disappoints! Today I brought an item for repair which RALPH…read morehandled with professionalism and competence. He even went the extra mile with suggesting a resource for me going forward. I left the store smiling once again, as always. In these times when most merchants are in a hurry, Ralph took extra time with me which I very much appreciate. Thank you, Ralph and Costello!

    I've been coming to Costello Jewelry in Naperville for years from purchases to repairs and…read morecleaning. I love that my jewelry does not leave the store when being repaired. This is the first time I had an original ring designed, though. I worked with Marino Costello on the design process. As an anniversary gift, my husband wanted to buy me a ring, but I decided that I couldn't give up my original engagement ring and wedding band so I had a new ring designed utilizing the diamonds. The process was interesting. I looked at rings in the jewelry store to get an idea of what I wanted and then we proceeded to the design process, Marino sending me CAD drawings and then a wax ring was made where I tried it on to get an idea of the design and dimensions. My new ring is gorgeous! Marino is a fabulous designer and so easy to work with. I appreciated his attention to detail and his quick responses to my emails. The design process was fun. I love that Marino designed such a special ring where I still have the original diamonds that my husband gave me 20 years ago. I highly recommend Costello Jewelry!

    Radon Reduction Systems - localservices - Updated May 2026

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