FAQ
Frequently Asked Questions
Everything you need to know about our grading service
About Gemix
What is Gemix?
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Gemix is a trading card authentication and grading service. Our certified graders and AI evaluate card condition under strict standards, then encase each card in a premium protective holder.
Why choose Gemix?
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Gemix is Japan's first international trading card grading service. We deliver grading quality that meets global standards, paired with holder designs trusted by collectors worldwide. Visit our features page to learn more.
Grading Service
What is trading card grading?
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Trading card grading is a service that verifies a card's authenticity and evaluates its condition, assigning a numerical score. Graded cards are encased in a tamper-proof holder, helping to prove market value and protect your collection.
What types of cards can be graded?
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The following cards are eligible for grading. More card titles will be added over time. ・Pokemon Card Game (including classic backs) ・Yu-Gi-Oh! OCG Duel Monsters ・Yu-Gi-Oh! Rush Duel ・One Piece Card Game ・Weiss Schwarz (excluding Blau and Rosé) ・Duel Masters ・Dragon Ball Heroes ・Super Dragon Ball Heroes ・Dragon Ball Super Divers ・Dragon Ball Super Card Game Fusion World
How are grading scores determined?
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Certified graders and AI evaluate the card's surface, back, centering, corners, and edges based on strict grading standards. For detailed grading criteria, please visit our Grading System page.
How long does the grading process take?
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From the time your cards arrive at our facility, the Regular service is completed within 30 business days and the Express service within 10 business days. During peak periods, processing may take slightly longer.
How many cards can I submit at once?
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There is no limit on the number of cards per submission. You can send as many cards as you like in a single order.
Can I request a re-photograph of my card?
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We do not offer re-photography services.
What is Minimum Grade (MG)?
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If the grade does not meet the selected Minimum Grade (MG), you can choose to either have the card returned as-is, or have it encased as authentication-only. Order detail display: Below MG + Return → MG Not Met Below MG + Authentication → A (cert number is assigned) In both cases, the fee for the selected service level will apply. In both cases, Grade and Grading Report will not be provided.
※ Minimum Grade (MG) is an optional setting. If you want a numerical grade issued, please submit without setting an MG.
Can signed cards be graded?
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Unfortunately, we do not offer grading services for signed cards at this time.
Can I have my grading slab re-holdered for a fee?
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Unfortunately, we do not offer re-holdering services, whether paid or otherwise.
Pricing & Payment
How much does grading cost?
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Grading fees start from ¥3,300, based on the declared value of your card. For the complete fee schedule, please visit our Pricing page.
How should I determine the declared value?
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Set the declared value based on the card's raw (ungraded) market value, referencing prices from marketplaces and auction sites. The declared value is used to calculate the grading fee.
What payment methods are accepted?
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We accept credit card payments including Visa, Mastercard, JCB, and American Express.
Can I get a refund if I cancel?
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Cancellation is possible before you ship your cards to us. Once cards have been shipped, cancellations are not accepted.
Shipping & Returns
How should I pack my cards for shipping?
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Place cards in sleeves, then protect them with toploaders or cardboard to prevent damage during transit. For detailed packing instructions, please see our Shipping Guidelines.
Can I submit cards from outside Japan?
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Yes, we accept submissions from around the world. For international shipping details, please refer to our International Shipping Guidelines.
How are graded cards returned?
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Graded cards are encased in our protective holder and returned via Yamato Transport.
Crossover
What is a crossover?
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A crossover is a service where we remove a card from another grading company's case (such as PSA, BGS, or CGC), re-grade it, and encase it in a Gemix holder.
What are the crossover fees and requirements?
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Crossover requires an additional fee of 2,200 JPY on top of the standard grading fee. For details, please visit our Pricing page.
If the grade is below MG, will the card be returned in its original case?
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With our crossover service, the card is always removed from its original case before evaluation. If the grade falls below MG, the card will be returned as a raw card without a case.
Grading Report
What is a Grading Report?
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The Grading Report is our unique visualization of grading results. Using patent-pending technology, it provides detailed insights into the evaluation criteria behind your card's score.
How can I look up grading results by certificate number?
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Enter the certificate number printed on your holder into our Cert Verification page to view the grading results online.
Account & General
Do I need to create an account?
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Yes, an account is required to submit cards for grading. Registration is free and only requires an email address and password.
How can I contact support?
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After logging in, you can reach us through the inquiry form in your account dashboard. Our dedicated support team will assist you.
Still have questions?
We're here to help