Should you grade Diglett #50?

Borderline

+$83.98

net at PSA 10, but the gem rate is 45.1% — profitable only if it gems

The ledger

Raw card$37.50
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$33.52
PSA 10 sale$250.00
Net at PSA 10+$83.98
Net if it grades PSA 9 instead$-98.23

45.1% of the 91 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.