Blastoise-GX Price Guide
Pokémon · SM Black Star Promos · SM189 · Promo · Released 2017
Blastoise-GX (SM Black Star Promos SM189) is currently worth $21.93 raw (near mint) and $390 in PSA 10 (as of Aug 10, 2026). Values come from real eBay sold listings (via Scrydex) and are refreshed daily. Grading is the single biggest value lever — check the raw-to-PSA-10 gap below, then scan your copy to see if its centering makes the grade.
holofoil prices
Raw (ungraded)
| NM | $21.93 |
| LP | $16.70 |
| MP | $9.71 |
| HP | $6.39 |
| DM | $5.49 |
Graded — grade ladder
| Grade | PSA | CGC | BGS | SGC | TAG |
|---|---|---|---|---|---|
| 10 | $390 | $29.96 | $550 | — | $300 |
| 9 | $41.16 | $23.86 | — | $15.00 | — |
| 8.5 | — | $36.88 | — | $15.00 | — |
| 8 | $27.77 | $24.93 | — | — | — |
| 7 | $18.66 | $8.00 | — | — | — |
| 2.5 | — | $15.00 | — | — | — |
| 1 | $40.00 | — | — | — | — |
Last updated 2026-08-10 · Source: real eBay sold listings (via Scrydex)
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jumbo prices
Raw (ungraded)
| NM | $11.27 |
| LP | $8.10 |
| MP | $6.39 |
| DM | $5.00 |
Graded — grade ladder
No graded sales recorded yet.
Last updated 2026-08-10 · Source: real eBay sold listings (via Scrydex)
Shop this card on eBay ↗As an eBay Partner, Midpoint may earn commission from qualifying purchases.
Is it worth grading?
Strong grading candidate — 18× premium in PSA 10
A PSA 10 Blastoise-GX sells for $390 against $21.93 raw: a $368 spread, 18× the ungraded price. A PSA 9 ($41.16) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Full grading break-even for Blastoise-GX: fee tiers, best grader, gem-rate math →
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
More from SM Black Star Promos
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Blastoise-GX — frequently asked
How much is Blastoise-GX (SM Black Star Promos) worth?
As of Aug 10, 2026, Blastoise-GX (SM Black Star Promos): an ungraded near-mint copy sells for about $21.93, a PSA 10 sells for about $390, a PSA 9 for about $41.16. Values come from real eBay sold listings (via Scrydex) and are refreshed daily.
How much is a PSA 10 Blastoise-GX worth?
As of Aug 10, 2026, a PSA 10 (Gem Mint) Blastoise-GX (SM Black Star Promos) sells for about $390, compared with $21.93 for a raw near-mint copy.
Is Blastoise-GX worth grading?
A PSA 10 Blastoise-GX sells for $390 against $21.93 raw: a $368 spread, 18× the ungraded price. A PSA 9 ($41.16) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Where do these Pokémon card prices come from?
Prices are real eBay sold listings (via Scrydex), refreshed daily. Raw values reflect near-mint (NM) ungraded copies; graded values are per grading company and grade.
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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