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Dialga
Diamond & Pearl · #001
$18.29latest TCGplayer median
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Price history (TCGplayer median, ~180 days)
About Dialga #001's market value
Dialga #001 (Reverse Holofoil, Rare Holo) from Diamond & Pearl (2007) has a market price of $18.29 raw as of August 30, 2026, the TCGplayer market price for this exact printing. It sits well above the set's median card ($3.04), ranking #32 of 251 priced printings. Over the last 30 days the price has slumped (−30.8%). Its 180-day range is $18.29 to $28.63 — it is trading near the bottom of that range.
Graded copies of Dialga sell for more than raw. A PSA 10 has a recent sale median of $620.00, about 14× the raw price (6 recent sales) — thin data, treat as indicative. PSA 9 copies go for around $170.00, about 3.8× the raw price (4 recent sales) — thin data, treat as indicative. Other grades we track: BGS 10 at $305.00, PSA 8.5 at $275.00, CGC 9 at $175.00. Graded medians come from recent eBay sold listings and refresh daily.
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