
The standards do not use identical language
PSA calls its top regular card grade Gem Mint 10 and allows slight printing imperfections when overall appeal remains strong. CGC separates Gem Mint 10 from Pristine 10. CGC describes Pristine as virtually flawless with perfect centering, while Gem Mint can miss one Pristine requirement.
Buyers price the holder as well as the card
Collectors build registry sets, prefer a label design and develop confidence in one certification market. A larger buyer pool can make a PSA copy easier to sell and can create a premium even when another holder carries the same number.
Population and transaction timing distort simple comparisons
A PSA 10 may have dozens of recent sales while a CGC 10 has one old sale. The opposite can also happen. Comparing the highest PSA result with the lowest CGC result creates a dramatic ratio without describing either current market.
CGC label history needs attention
CGC updated its scale and converted legacy Gem Mint 9.5 cards to Gem Mint 10 in its records. A Pristine 10 remains a separate designation. Listings that use CGC 10 without specifying Gem Mint or Pristine can compare different products.
A fair comparison checklist
- Match card number, set, language and variant.
- Match PSA 10 with CGC Gem Mint 10 or clearly state when CGC Pristine 10 is used.
- Compare several sales from similar dates.
- Check the population at the exact grade.
- Inspect eye appeal and certification before paying a label premium.
Sources checked
- PSA grading standards
- CGC grading scale
- PriceCharting PSA and CGC comparison post
- PriceCharting support for CGC sales
Frequently asked questions
- Is PSA 10 always worth more than CGC 10?
No. PSA often commands a premium, but the exact result depends on the card, designation, population and recent demand.
- Is CGC Pristine 10 the same as CGC Gem Mint 10?
No. CGC reserves Pristine 10 for cards that meet a stricter standard.
- Can a CGC card be submitted to PSA?
Collectors can submit a card to another grading company, but the new grade is never guaranteed.


