The unicorn who loves fashion and represents generosity is Rarity.
Rarity is one of the central members of the Mane Six in My Little Pony: Friendship Is Magic. She owns the Carousel Boutique in Ponyville, where she designs and sews clothing, and her polished style is matched by a dramatic but caring personality. Her signature purple mane and three-diamond cutie mark reinforce her connection to beauty, design, and gems.
Her generosity is more than a personality trait: it is her Element of Harmony. Rarity frequently gives up time, materials, or personal advantages to help her friends, even when doing so conflicts with her ambitions as a designer. Her backstory in “The Cutie Mark Chronicles” explains that she discovered her talent for finding gems while preparing costumes for a school play.
Coco Pommel and Suri Polomare are fashion-world characters, but neither is the series’ principal fashion unicorn. Sweetie Belle is Rarity’s younger sister.