Should you grade Dialga #1?

Borderline

+$593.20

net at PSA 10, but the gem rate is 2.5% — profitable only if it gems

The ledger

Raw card$12.97
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$107.55
PSA 10 sale$808.71
Net at PSA 10+$593.20
Net if it grades PSA 9 instead$-45.32

2.5% of the 281 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.