Should you grade Diglett #11?

Borderline

+$3360.79

net at PSA 10, but the gem rate is 4.5% — profitable only if it gems

The ledger

Raw card$78.79
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$540.32
PSA 10 sale$4074.89
Net at PSA 10+$3360.79
Net if it grades PSA 9 instead+$104.52

4.5% of the 268 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.