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PSA 10: Median of 2 sales, last 45 days · newest Oct 12, 2026 · checked Oct 26, 2026
PSA 9: Median of 1 PSA 9 sale in the last 90 days, latest 2026-10-14. Grade 9 guide (all graders): $24.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Cynthia's Ambition (Brilliant Stars #178) at $6.17 market price (TCGplayer market). Its Delta multiple is 9.32x.
A PSA 10 Cynthia's Ambition (Brilliant Stars #178) is currently shown at $57.50, the median of 2 PSA 10 sales in the last 45 days (newest Oct 12, 2026).
GemDelta records a 49.7% gem rate for Cynthia's Ambition (Brilliant Stars #178), with 738 PSA 10 copies out of 1,486 total PSA grades and a 9.32x Delta. That describes the grading profile; it is not financial advice.