Blastoise GX

Sun & Moon Black Star Promo

Set: Sun & Moon Black Star PromoNumber: SM189Updated 9/11/2026

Market price

$21.84

TCGPlayer

$21.84

eBay avg

$22.01

Variants

PSA 10

$495

PSA 9

$49

PSA 8

$49

Variant

Price History

In the app

Price movement over time is available in the PokiFrame app.

eBay Sold Prices

26 sales

Raw26 sales · $1.00–$20.15

$22.01

Got Blastoise GX? Scan the rest of your binder.

Point your camera at a card and PokiFrame identifies it and pulls live prices in about a second — free for iPhone and Android.

Get the free app

Graded Prices

10 sales

Average sold prices by grading company. Grades run 1–10 — a 10 (Gem Mint) carries the biggest premium, with PSA, CGC, and BGS the most widely traded grades.

109.598.58

PSA

$495

4 sold

$49

2 sold

$49

2 sold

About Blastoise GX

Blastoise GX is card SM189 from the Sun & Moon Black Star Promo set.

The current TCGPlayer market price is $21.84. A PSA 10 (Gem Mint) copy recently averaged $495.49 — about 22.7× the ungraded price, showing how much professional grading can add to Blastoise GX's value.

PokiFrame aggregates this data from TCGPlayer, CardMarket, and eBay so you can confirm Blastoise GX's value before you buy, sell, or trade.

Browse more cards from Sun & Moon Black Star Promo

Blastoise GX — common questions

How much is Blastoise GX worth?: Blastoise GX from Sun & Moon Black Star Promo has a market price of $21.84 for an ungraded copy, based on current TCGPlayer and eBay sales data. Condition, print variant and grading all move that number.
What is a PSA 10 Blastoise GX worth?: Recent PSA 10 (Gem Mint) sales of Blastoise GX averaged $495.49, about 22.7× the ungraded price. A PSA 9 averaged $49.12.