Ungraded vs PSA 10 Dialga GX #138: price difference
Dialga GX #138 value — Ungraded $55 vs PSA 10 $537. PSA 10 sells for 9.76× Ungraded (+876%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 9.76× (+876%) the Ungraded price — a $482 difference per card.
PSA 10 sells for 5.9× (+490%) the Grade 9 price — a $446 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Dialga GX #138, the jump from Ungraded to PSA 10 is worth $482 (9.76×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.
Run the grading break-even math →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).