Dialga ex is card #180 of 215 in Scarlet & Violet Black Star Promos (2023), a Promo illustrated by PLANETA Tsuji. At about $0.70 it is the #150 most valuable card in the set. It is one of 48 Dialga cards printed so far.
2007Diamond & Pearl
2009Platinum
2011Call of Legends
2014Phantom Forces
2020Vivid Voltage
2022Astral Radiance
2023Crown Zenith Galarian Gallery
2024Surging Sparks

















See the full Scarlet & Violet Black Star Promos card list
An ungraded Dialga ex from Scarlet & Violet Black Star Promos sells for about $0.70. A PSA 10 is worth more, roughly $2.45 by our estimate, and a PSA 9 around $1.40.
It is a Promo.
PLANETA Tsuji drew the art for this card.