to get the Pokemon KIRLIA, you have to go to either to the left or above of Jubilife city, and use poke radar everywhere. this will take patience. eventually you will find a RALTS. train this to get a KIRLIA.
You find Kirlia on Route 203 and 204 using a Poke Radar.
You cannot find Gardevior in the wild on Pokemon Diamond you will need to evolve a Kirlia. To catch a Kirlia you will need the Poke Radar. Now use the Poke Radar on Routes 203 and 204 and a wild Kirlia should eventually appear.
yes.
you can find kirlia on route 204
You evolve the Pokemon; Ralts.
Use Pokeradar in the grass right above Jubilife City. Ralts and Kirlia are available through pokeradar so If you get a ralts you can always evolve it if you can't find Kirlia.
kirlia and snorunt
Kirlia - Gallade Snorunt - Froslass
you can envolve ralts to envolve into kirlia and to envolve kirlia to gallade but only male and a snorunt but only female
It evolves when you reach lvl 30, which is a Gardevoir. But if you have a male kirlia and you use a dawn stone, you get a Gallade.
Evolve Kirlia Into Gallade,Snorunt Into Froslass
deep in khanto you see drowzee you pop his belly then you find kirlia