Best Diancie Cards to Grade
The Diancie cards where grading pays off most — ranked by net profit from raw to PSA 10 after real grading costs, with each card's estimated gem rate and risk-adjusted return. Top pick: Mega Diancie ex (Ascended Heroes) at +$179 best-case net.
| # | Card | Raw | PSA 10 | Cost | Net (best) | Risk-adj. |
|---|---|---|---|---|---|---|
| 1 | $74 | $327 | $73 | +$179 | +$67 | |
| 2 | $9 | $141 | $71 | +$60 | +$19 | |
| 3 | $5 | $89 | $71 | +$13 | −$27 | |
| 4 | $5 | $77 | $71 | +$1 | −$46 |
Net (best) = PSA 10 value − raw value − grading cost (PSA fees as of 2026-06-28). Risk-adjusted weights every grade by its estimated likelihood from PSA population (cumulative and biased toward nicer copies — a guide, not a guarantee).