Are IV's randomized when a pokemon evolves?

Many other stats are randomized upon evolution, such as height, weight, and moveset. I'm wondering if I should be evolving pokemon with the highest IV's, or if I can wait to deal with that until the pokemon is fully evolved.

Many other stats are randomized upon evolution, such as height, weight, and moveset. I'm wondering if I should be evolving pokemon with the highest IV's, or if I can wait to deal with that until the pokemon is fully evolved.

Many other stats are randomized upon evolution, such as height, weight, and moveset. I'm wondering if I should be evolving pokemon with the highest IV's, or if I can wait to deal with that until the pokemon is fully evolved.

Many other stats are randomized upon evolution, such as height, weight, and moveset. I'm wondering if I should be evolving pokemon with the highest IV's, or if I can wait to deal with that until the pokemon is fully evolved.