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    CDI Diamonds & Jewelry

    4.7 (19 reviews)
    Closed 10:00 am - 6:00 pm

    Services - CDI Diamonds & Jewelry

    Jewelry cleaning

    Jewelry redesign

    Jewelry repair

    5 More Services

    Jewelry stone setting

    Watch cleaning

    Watch part repair

    Watch part replacement

    Watch seal testing

    CDI Diamonds & Jewelry Photos

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    Recommended Reviews - CDI Diamonds & Jewelry

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    1 year ago

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    8 years ago

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    Matt C.

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    6 years ago

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    8 years ago

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    Matt C.

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    11 years ago

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    11 years ago

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    8 years ago

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    Matt C.

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    7 years ago

    Very kind and knowledgeable and helpful staff. They cleaned and repaired some of my jewelry. I'll be going back again soon!

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    8 years ago

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    Matt C.

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    6 years ago

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    12 years ago

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    7 years ago

    Great team at CDI! They are very personable, knowledgeable, and do great work! I would highly recommend them above anywhere else!

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    8 years ago

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    8 years ago

    Obtained quotes from 4 stores to sell a diamond ring -- CDI was 2x higher than the next best offer. Owner, Matt, was very helpful.

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    Matt C.

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    6 years ago

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    11 years ago

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    10 years ago

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    10 years ago

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    10 years ago

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    Ask the Community - CDI Diamonds & Jewelry

    Review Highlights - CDI Diamonds & Jewelry

    Ellen, Renee, Matt & all the staff at CDI were an absolute pleasure to work with.

    Mentioned in 3 reviews

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    Wm Werkhaven and Son

    Wm Werkhaven and Son

    3.8
    (4 reviews)

    Well kept secrets are sometimes much too well kept. This place is one of them…read more This is a store for professional jewelers. We're talking about the real deal here. The things they sell are helpful to more than professional jewelers. My father, for example, is a botanist who studies mosses. He buys all of his hand lenses here (and then proceeds to wear them around his neck and continually get asked why he's wearing a whistle.) I like them for their beading cord and tool quality. This is the kind of place that is trying to keep itself a secret. THERE IS NO SIGN. Let me repeat that. THIS STORE DOES NOT HAVE A SIGN. They also keep their door locked a lot of the time, so you knock and look somewhat respectable and they let you in. (The store is located right next to the plasma donation place, and they apparently get some interesting characters in.) If you're an artist or a beader or a botanist/entomologist/etc. I highly suggest dropping in sometime. It will be worth your while.

    They seem pretty determined to not help out potential customers. I haven't really had an…read moreopportunity to do any business with them--not by my choice. I called them because it said here in a previous review that they do watch repair. It turns out they don't actually do watch repair, they only sell the parts. When I asked if they could recommend a repair person she asked who I was. When I told her my name she told me to just go to my local jeweler...which I'm pretty sure I could have figured out on my own, except I didn't want to do that. Well she refused to tell me of any local shops that work on watches. This must be the only business in Columbus that has more business than they know what to do with--as they sure don't seem very welcoming to new potential business.

    Columbus Diamond Exchange

    Columbus Diamond Exchange

    4.3
    (7 reviews)

    Diamonds and related accoutrements have become somewhat of a industry where people take…read morepresumptions about where they should go, rather than actually consider their options. I understand the sentiment as a matter of practicality - most places that are smaller and more boutique tend to charge boutique prices. Diamond Exchange, to pardon the expression as pun, is a diamond in the rough in that regard. Nearly hidden on Gay St in an old bank building, much of the original charm of the building is left intact, including some elements of the lobby and old offices. Inside are treasures that are unique and individual to your tastes and needs, priced with deliberation and care. The service and individualized care is also something that, quite frankly, I didn't feel I deserved on the modest means I was able to bring to bear. But we found something that fit both my mission as well as my budget. I found something very special for my 10th wedding anniversary. I think it spoke volumes. I will definitely be back for other celebrations to come.

    After the ring my fiancé proposed with broke, the jeweler he worked with tried to scam us by…read moresending a completely different ring back after their "repair". We spent a month dealing with them denying the entire thing before finally getting a refund. I was left without an engagement ring for 4 months. I found Columbus Diamond Exchange after my boss recommended Steward. Not only did Steward and Lesley listen to my horror story of situation but Steward took great care to listen to what I was looking for in a new ring. He paid attention to every detail and even measured a current ring that I was wearing to make sure I liked the feel of the one he was going to design. Steward kept me in the loop every step of the way, from picking out the diamond to drafting the design of the ring. He was absolutely wonderful to work with and I felt like he was just as excited to make my ring as I was to get it! The ring my fiancé proposed with was very unique and Steward diid an amazing job of creating something just as unique and even more beautiful. We are beyond happy with the quality of service and quality of jewelry that we received. The entire process took less than a month and Steward stuck very close to the budget that we had to work with from my first ring. I can't say enough good things about my experience and I would recommend Columbus Diamond Exchange to anyone and everyone.

    CDI Diamonds & Jewelry - jewelry - Updated July 2026

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