Should you grade Dialga-GX #125?

Borderline

+$297.48

net at PSA 10, but the gem rate is 43.8% — profitable only if it gems

The ledger

Raw card$32.21
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$65.33
PSA 10 sale$490.00
Net at PSA 10+$297.48
Net if it grades PSA 9 instead$-71.21

43.8% of the 386 copies PSA has graded came back a 10. Pop gem rates are a ceiling — centering and surface on your copy decide.

Prices from real completed sales, updated daily. Population data from PSA's public population report.