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Island Cave (Hidden Legends 89/101) — is it worth grading?

Is Island Cave worth grading?

Pokémon · Hidden Legends · 89/101 · full price guide →

Worth grading only if it gems

A PSA 8 Island Cave brings $29.90 versus $1.33 raw — a $28.57 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($26.00) only about breaks even after fees, so the case rests on gemming.

Raw (NM)
$1.33
PSA 8
$29.90
PSA 9
$26.00
Gem premium
22×
As of
Aug 10, 2026

Break-even by outcome and fee

Island Cave: 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 — PSA 8$29.90+$3.57−$21.43−$121
PSA 9$26.00−$0.33−$25.33−$125
PSA 8$6.00−$20.33−$45.33−$145

Net = sale price − $1.33 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?

Island Cave: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$26.98−$24.35
50%$27.95−$23.38
75%$28.92−$22.41

At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.

Which grader pays the most — and what a 10 takes

All centering standards
Island Cave: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
CGC 10$13.00best55/4575/25

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.

Island Cave graded prices by company and grade
GradePSACGC
10$13.00
9.5$14.00
9$14.48$20.00
8.5$16.00
8$29.90

Run your own numbers

Should I pay this?

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

Other Hidden Legends cards worth checking

Full set checklist

Grading Island Cave — FAQ

Is Island Cave worth grading?

A PSA 8 Island Cave brings $29.90 versus $1.33 raw — a $28.57 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($26.00) only about breaks even after fees, so the case rests on gemming.

What centering does Island Cave 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.

Is your Pokémon 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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