Mega Diancie ex #282 from Ascended Heroes is a illustration_rare card that currently sells for about $59.19 ungraded, with graded copies ranging from $55.56 at grade 9 to $146 at grade 10. TCGrader's AI has graded 8 copies of Mega Diancie ex (Ascended Heroes), averaging 7.8 overall. Only 25% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $146, about 2.5× the $59.19 raw price, so high-grade copies are worth grading.