Diancie is card #SV36 of 94 in Hidden Fates Shiny Vault (2019), a Rare Shiny illustrated by Akira Komayama. At about $5.38 it is the #75 most valuable card in the set. In a Hidden Fates Shiny Vault booster it turns up about once every 117 packs. It is one of 15 Diancie cards printed so far.
2013XY Black Star Promos
2016Fates Collide
2017Burning Shadows
2019Hidden Fates Shiny Vault
2020Vivid Voltage
2023Crown Zenith Galarian Gallery
2024Stellar Crown
2026Ascended Heroes

















See the full Hidden Fates Shiny Vault card list
An ungraded Diancie from Hidden Fates Shiny Vault sells for about $5.38. A PSA 10 is worth more, roughly $26.90 by our estimate, and a PSA 9 around $12.37.
It is a Rare Shiny, and it shows up about once every 117 Hidden Fates Shiny Vault packs.
Akira Komayama drew the art for this card.