GemRate Labs — AI Card Grading

1Card info

Card type

Sports card rubric

Year / Set / Player / Card

2Card images

Advanced GradeStandard+

Add edge + surface photos for deeper analysis

Front image *

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Back image

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What the AI grades

⬛

Centering

Border ratios on front and back. 55/45 or better required for high grades. Advanced mode shows exact L/R and T/B ratios.

🔲

Corners

All four corners examined for fraying, rounding, wear, or creasing. Advanced mode gives per-corner scores.

▬

Edges

All four edges checked for nicks, chips, roughness, or splitting. Advanced mode uses dedicated edge photos.

🪟

Surface

Front and back for scratches, print lines, stains. Advanced mode uses a close-up for micro-defect detection.

GemRate Labs uses Claude's vision AI. Results are estimates — not official PSA, BGS, or SGC grades. Use this to decide whether a card is worth the cost of professional submission.

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Grade a card.

Grade a card.