Origin Forme Dialga VSTAR #198 from Astral Radiance is a rare card that currently sells for about $16.74 ungraded, with graded copies ranging from $13.55 at grade 7 to $75.00 at grade 10. A grade 10 copy sells for around $75.00, about 4.5× the $16.74 raw price, so high-grade copies are worth grading.