Costello Jewelry Company is a jewelry business serving the Naperville area. Costello Jewelry Company provides a range of jewelry products and services, focusing on customer needs in the local community. Specific services and operational details are not explicitly listed on the source website.
I had my engagement ring brought in for a small adjustment, and I couldn’t be happier with the service! They carefully checked my ring, made a slight adjustment to the setting, and gave it a thorough cleaning. The best part – the fix was so small that they didn’t even charge me! Such honesty and kindness really stood out. The staff was professional, friendly, and made me feel valued. Highly recommend this store for anyone looking for top-notch jewelry service with a personal touch!
R
Ron Lee
Dec 25, 2025
★★★★★5.0
Fantastic, knowledgeable, professional Jewelers. Any questions were answered thoroughly and thoughtfully. I'm cynical in regards to purchasing luxury items but this is the only place in DuPage county I will patronize for quality jewelry and fine watches. They also have many other services including watch repair and maintenance.
J
JP Liquors
Apr 22, 2025
★★★★★5.0
I recently visited Costello Jewelry Company to have five of my watches fitted, and I couldn’t be more impressed. The entire process was smooth and effortless — they handled everything with ease and professionalism. The staff is incredibly friendly and welcoming; they truly make you feel like part of the family from the moment you walk in.
Whether you need jewelry repairs, custom pieces, or any type of jewelry service, I highly recommend Costello Jewelry Company. Their attention to detail, genuine care for their customers, and quality of work set them apart. I’ll definitely be returning for all my future jewelry needs!
H
Henry Yucknut
Jan 15, 2024
★★★★★5.0
Today I had a satisfying victory. I have been dreaming of obtaining a day date from the realm of Rolex since the day I first saw one. The Tudor wristwatch is made by the same people that make Rolex, that means the day date wristwatches that Tudor makes are in the same family as Rolex. With all of this being said I wanted one.
Costello Jewelry Company came in at just the right moment and we both struck gold this afternoon. Thank you so much for the Tudor day date, only so few are available. The kind employee at the counter picked up my call on my first attempt and I really appreciate it. What a wonderful way to spend my afternoon, I can look...Today I had a satisfying victory. I have been dreaming of obtaining a day date from the realm of Rolex since the day I first saw one. The Tudor wristwatch is made by the same people that make Rolex, that means the day date wristwatches that Tudor makes are in the same family as Rolex. With all of this being said I wanted one.
Costello Jewelry Company came in at just the right moment and we both struck gold this afternoon. Thank you so much for the Tudor day date, only so few are available. The kind employee at the counter picked up my call on my first attempt and I really appreciate it. What a wonderful way to spend my afternoon, I can look at this eye candy all day I’m very thankful.
Until next time, so long!
J
James Caruso
Sep 24, 2024
★★★★★5.0
From the inception of our first visit as a couple to Costello Jewelry Company . . . to the very present—just days after our wedding—Trisha has worked with us every step of the way and has made our entire customer experience BEYOND extraordinary and beyond exceptional.
We were fortunate to not only work with the best of the best, but we discovered in Trisha a person who has the highest integrity and an even bigger heart!
Here are the words to describe our experience at Costello with Trisha and her character:
Personable, professional, an eye for the “right contextual fit” for the customer and their needs, affable, caring, encourager, gre...From the inception of our first visit as a couple to Costello Jewelry Company . . . to the very present—just days after our wedding—Trisha has worked with us every step of the way and has made our entire customer experience BEYOND extraordinary and beyond exceptional.
We were fortunate to not only work with the best of the best, but we discovered in Trisha a person who has the highest integrity and an even bigger heart!
Here are the words to describe our experience at Costello with Trisha and her character:
Personable, professional, an eye for the “right contextual fit” for the customer and their needs, affable, caring, encourager, great communicator, beyond helpful, pleasant to be around, amazing, a joy to work with and speak with, and the list goes on.
We were also blessed to have met Maureen, who was a great, great encourager and supporter alongside Trisha. Trisha and Maureen have helped to take our relationship with Costello jewelers to new Heights.
I, James, have been a customer of Costello Jewelers going back 1998 and now a customer with Katherine for the last eight years as a couple.
I want to give a special shout out to Jose who has been at Costello as long as I’ve shopped there.
I see that gifted artisan working with amazing skill and artistry every single time I’ve been to Costello. He is one of the main individuals who helps to create and refine the jewelry that the Costello customers have come to know and love. Where would an exceptional jeweler be without an extraordinary artist like Jose?
We are so grateful to the Costello family for their fine locations and even finer business and hospitality.
We always appreciate their family and spiritual values and always love the meaningful mailers we receive, especially at Christmas time!
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