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Diamond Service Grading in Rohnert Park, CA

4.8 ★★★★★ 25 Google reviews

PokémonSports cardsMagic: The Gathering

Diamond Service Grading sells trading cards at 5800 Redwood Dr Unit B1, Rohnert Park, CA. It has a 4.8-star rating from 25 Google reviews. Customer reviews or the shop's own website show it carries Pokémon, sports cards and Magic: The Gathering.

Games carried

Each game is listed only when a customer review or the shop's own website mentions it.

  • “I had a few Pokémon cards and a signed magic card graded by this company.” (Google review)

    Mentioned 3 times in reviews

  • “I recently got into collecting sports cards.” (Google review)

    Mentioned once in reviews · Listed on the shop's website

  • Magic: The Gathering

    More Magic shops →

    Same review as Pokémon, above.

    Mentioned once in reviews

What collectors say

  • Grading drop-off

    “Always friendly and always hard working and legit, I’ve been collecting all my life and I recommend them for sweet deals on cards and their grading services.” (Google review)

    Mentioned 6 times in reviews

  • Graded & vintage

    “The grade report showing you why your card graded how it did is my favorite feature behind just how nice the cases themselves are much more quality then others I have” (Google review)

    Mentioned 20 times in reviews

From Google reviews

The best grading company in US. Great prices experts. Over 40 years in business. They really do great job they use the best plastic . I love doing business with them. Great people

★★★★★ Ebby, Sep 2021

I just visited PSA, Beckett, and DSG at Long Beach Collect-a-con the past 2 days, and DSG was WAY more personable, knowledgeable, and professional than the others.

★★★★★ Timothy, Feb 2024

Super Grading company, they are very underestimated vs BGS or PSA but they are honest, fair and transparent on their grading process. Ditch the other DSG is the best.

★★★★★ Emmanuel, Feb 2022

I just purchased a DSG graded card on eBay because I really liked the card and I thought the slab/label just looked awesome even though I never heard of DSG. So I go check out their website, get the run down of the proprietary grading software and was impressed, grading can be so subjective, but they remove any kind…

★★★★★ Michael, Jan 2024

Excerpts from public Google reviews. Read all 25 on Google →

Where to find Diamond Service Grading

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5800 Redwood Dr Suite B, Rohnert Park, CA

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Independent listing, not affiliated with this shop. Details come from public business info, customer reviews and the shop's own website; confirm hours before you go.

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