Pokemon Diamond & Pearl · #121 · Base · May 2007
Should You Grade?
The gem rate is only 8% — you'll need a very clean copy to hit PSA 10. Only 47 sales per year — it may take time to find a buyer at full price.
Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.
Shows the best-value tier from each grading company based on EV, cost, and turnaround. Pop = total graded population; 10s = grade 10 count.
