modern-to-grade · secret rare
Crystal Cave
Evolving Skies · #230 · English · released 2021
Raw market price
$4.16
7 days
▲ 1.8%
30 days
▲ 3.4%
90 days
▼ 2.6%
Graded prices & PSA population
| Grade | Market price | PSA population |
|---|---|---|
| PSA 10 | $48.00 | 160 |
| PSA 9 | $26.00 | 96 |
PSA population recorded 2026-10-18 · total graded 290
Why this card matters
pop
PSA 10 commands a 12× premium over raw, signaling real grading scarcity, but 169 active listings and only 3 PSA 10 comps make the thin graded sample fragile rather than definitively scarce.
demand
Crystal Cave is a Stadium utility card with no iconic Pokémon character anchor, limiting nostalgia and collector pull compared to alt-art creature cards from the same set.
artist
The secret-rare treatment gives it visual appeal above a standard print, but as a Stadium card it lacks the creature-focused alt-art illustration desirability that drives premium collector demand in Evolving Skies.
catalyst
A 12.4% 30-day momentum is a mild positive signal, but with only 3 PSA 10 sales underpinning it, the move is too small a sample to confirm a sustainable breakout rather than noise.
Graded comps on record
$75.00
CGC 10
$48.00
PSA 10
$26.00
PSA 9
$14.00
CGC 10
$10.00
AGS 10
$9.00
CGC 9
Track Crystal Cave in the app.
Daily recorded prices, PSA pop history, price alerts and 7,300+ more cards to discover — free on the App Store now.
More from Evolving Skies
Market data recorded 2026-10-09 from licensed market sources. MASTER records prices daily and never invents a number — estimated values are always labeled. Not financial advice.