Garnet is a Persian cat who symbolizes Love. She is friends with Ruby and Sapphie and the most fashionable of the three.
Her fur is pink with a white chest fluff and two furry points sticking out at the edge of her ears. Her eyes are made of garnets. She wears a red ribbon on her head and a pink jewel necklace on her neck.

Garnet is very girly in terms of personality: sassy, tough, likes the colour pink and cute stuff and sometimes hates really bad men. This personality is somewhat toned down in Jewelpet Twinkle but brought back when Sunshine aired, thought also known to be stylish and bold. this personalty was carried over to the next series: Kira Deco. Unlike her personality in Sunshine, Garnet is more described as a rich person and sometimes assisted by people. In happiness, she is more of a hardworker.

Other than her magic skills, Garnet demonstrate good special skills regarding fashion, knowing which clothing is good for the wearer or choosing a good dress. Sometimes this overwhelms her overall personality. As shown in Sunshine, Garnet also has a good knowledge in sewing her own clothes and works for the Strawberry Cafe on her part time job.

Garnet's magic skills were in the "Glass Class" ranking, on which her magic can have a success rate of 50%. She herself earned the Crystal Class in the later episodes in the first series. She can also wield a miniaturized version of the Jewel Stick for her magic or with Ruby and Sapphie, to summon other Jewelpets from Jewel Land.

Garnet also possesses a Jewel Pod as well. In Kira Deco, its decorated with lots of jewels which matches her personality. But she also uses it to cast her magic spells.

Garnet first appeared in the very first episode alongside the other Jewelpets, being turned into a Jewel Charm so she can rest in the Dream Forest. However like the others, she is been lost in the human world when the charms were spilled.

Her formal debut however is in Episode 2. When Minami is crying about the fact she can't confess her love to Hisashi Miyamotto, Garnet's Jewel Charm appeared from her tears. Ruby stated that Garnet's power is love and it can be used as an advantage, as Rinko and Ruby used their magic and turn her back into her pet form. However when she looked at her new partner, she harshly refuses due to she was sweaty and stubbornly runs away. Rinko, Ruby and Minami decides to search for her around town and finds her resting at the top of a tree. Rinko tries to climb up the tree in persuasion to make Garnet use her magic, saying that Minami once protected her when she was a kindergarderner and made her happy. Not knowing she still has fear of heights, Rinko fainted and Ruby came to save her. In persuation to make Garnet use her magic, Minami took her back to her home and she sees Minami's room covered in pink. In agreement, Garnet uses her magic and Miyamato comes and eats Okonomiyaki, agreeing to join the group.

(Source: Jewelpet Wikia)