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Professional graders evaluate four key factors. Here's how to check each one yourself.
Hold the card at eye level and compare the borders on all four sides. For PSA 10, centering must be within 60/40 on the front and 75/25 on the back. Even slight misalignment can drop a grade.
Tip: Use a ruler or centering tool to measure border widths precisely. Left-right and top-bottom ratios both matter.
Use a loupe or magnifying glass to examine each corner closely. Look for rounding, dings, whitening, or soft spots. Corners are where wear shows first on most trading cards.
Tip: Check corners under good lighting at multiple angles. What looks clean to the naked eye may reveal wear under magnification.
Run your eye along each edge looking for whitening, chipping, nicks, or rough spots. Dark-bordered cards like Base Set Pokemon make edge wear particularly obvious.
Tip: Tilt the card at a 45-degree angle under a light source. Edge imperfections catch light differently than the card surface.
Examine the front and back surfaces for scratches, print lines, ink dots, indentations, and other defects. Holographic cards are prone to scratches and silvering that affect grades.
Tip: Use a flashlight or LED at various angles. Surface scratches and print defects are often invisible under direct lighting but appear with angled light.
Manual inspection is a good starting point, but AI catches what your eyes miss.
Manual checking relies on your experience and eyesight. CGI Vision AI systematically analyzes 47 specific inspection points across centering, corners, edges, and surface for consistent results.
Eyeballing centering is unreliable. The AI provides exact left-right and top-bottom ratios so you know precisely whether your card meets PSA 10 (60/40) or BGS 9.5 thresholds.
Fine scratches, micro print lines, and subtle surface imperfections that humans miss under normal conditions are detected by the AI, preventing surprise low grades from PSA or BGS.
Human judgment varies by fatigue, lighting, and experience. AI provides the same objective analysis every time, with 92.8% accuracy against actual PSA and BGS grades.
Thorough manual inspection takes 10 minutes or more per card. AI condition checking takes 60 seconds on average, making it practical to check entire collections.
Manual checking gives you a general sense of condition. AI pre-grading gives you predicted grades for PSA, BGS, and CGC so you can choose the best grading company for each card.
Skip the loupe and ruler. Upload a photo and get an AI-powered condition report with predicted PSA, BGS, and CGC grades instantly.
More thorough than manual inspection. The AI checks 47 specific condition factors on every card.
CGI Vision AI matches professional grader results with 92.8% accuracy and a variance of plus or minus 0.22 grades.
Every new account includes 3 free condition checks. No credit card required to get started.
Upload a photo of your card to CardGrade.io and CGI Vision AI analyzes centering, corners, edges, and surface across 47 inspection points. You receive a detailed condition report with PSA, BGS, and CGC grade predictions in about 60 seconds.
A digital card grading service uses AI to analyze your trading card condition through photos rather than physical inspection. CardGrade.io uses CGI Vision AI to predict how professional grading companies like PSA, BGS, and CGC would grade your card, helping you decide which cards to submit.
Yes, with proper photography. CGI Vision AI achieves 92.8% accuracy from photo-based analysis. Our guided capture system helps you take optimal photos that minimize glare and maximize the AI's ability to detect condition issues on your cards.
For manual inspection, you need a loupe or magnifying glass, good lighting, and ideally a centering tool. For AI-based checking with CardGrade.io, you only need a smartphone camera. The AI handles the detailed analysis that would otherwise require specialized equipment.
Online AI condition checking provides 92.8% accurate predictions of what professional graders would assign. The main advantage is speed (60 seconds vs weeks-months) and cost (fraction of professional grading fees). The tradeoff is that physical grading remains the definitive standard for authenticated slabs.
CardGrade.io supports all major trading card types: Pokemon (WOTC through modern), sports cards (baseball, basketball, football, hockey), TCG (Magic: The Gathering, Yu-Gi-Oh!, One Piece), and more. The AI is trained on thousands of cards from every major type and era.