Midpoint - Card Centering Tool

Is Onyx Core worth grading?

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Worth grading only if it gems

A CGC 10 Onyx Core brings $196 versus $144 raw — a $52.75 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($150) only about breaks even after fees, so the case rests on gemming.

Raw (NM)
$144
CGC 10
$196
PSA 9
$150
Gem premium
1.4×
As of
Aug 16, 2026

Break-even by outcome and fee

Onyx Core: net result of grading versus selling raw, by outcome and fee tier
If it comes back…Sells forEconomy / bulk (~$25.00)Standard (~$50.00)Express (~$150)
Gem — CGC 10$196+$27.75+$2.75−$97.25
PSA 9$150−$18.70−$43.70−$144

Net = sale price − $144 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.

Expected value — how often does it need to gem?

Onyx Core: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$162−$32.09
50%$173−$20.47
75%$185−$8.86

Break-even gem rate at the standard fee: about 94%. Centering is the usual reason a clean copy misses — measure it before you decide.

Which grader pays the most — and what a 10 takes

All centering standards
Onyx Core: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
CGC 10$196best55/4575/25

Tolerances are each company's published centering standard for its top grade; surface, corners and edges must also be clean. Centering is the one you can measure yourself before you pay.

Onyx Core graded prices by company and grade
GradeCGCGraded
10$196
9.5$165
9$150

Run your own numbers

Should I pay this?

Enter the seller’s asking price to see your net outcome per grade.

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Grading Onyx Core — FAQ

Is Onyx Core worth grading?

A CGC 10 Onyx Core brings $196 versus $144 raw — a $52.75 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($150) only about breaks even after fees, so the case rests on gemming.

What centering does Onyx Core need for a CGC 10?

CGC publishes 55/45 front and 75/25 back centering as the tolerance for a 10 (Gem Mint). Off-center copies are capped below the top grade regardless of surface — measure yours before paying the fee.

What gem rate makes grading Onyx Core break even?

At a standard ~$50 fee, submitting Onyx Core breaks even when it gems about 94% of the time (a miss assumed to sell at the PSA 9 price of $150).

Is your TCG card centered well enough to grade?

Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.

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