TV-Series
Description
Rachel Bennett, known as Hishikawa Rikka in Japanese media, serves as a central character. Her superhero identity is Glitter Diamond (Cure Diamond originally). She has dark blue eyes and blue hair, typically worn loose except for a small braided section secured by a ribbon at the back; red glasses sometimes complete her look. Her standard outfit includes a white long-sleeved blouse with a blue bow tie, a light blue pleated dress featuring light navy details and buttons, black socks, and short brown boots. A summer variation presents a white and blue sailor dress with light blue accents, dark blue shoes, and white socks.

Transformation into Glitter Diamond dramatically alters her appearance: her eyes brighten, and her hair shifts to light indigo, growing to knee-length and styled in a thick ponytail secured by a light blue and white accessory with a blue diamond centerpiece. Curled strands frame her face, accompanied by slightly curled bangs. The transformation adds blue diamond earrings and a gold choker matching bracelets. Her costume is a light blue dress with white winged sleeves (one featuring a gold clasp), white frills, dark blue details, and a small blue ribbon. The skirt resembles a fanned-out wing, revealing layers of white and milk-blue fabric. A blue heart emblem sits on the chest with white fabric draping downward, and she wears white boots with milk-blue cuffs and a gold band.

Academically gifted, Rachel consistently ranks in the top ten nationally on mock exams and serves as student council secretary. She takes pride in her intellect and dedication to studying, though her grades sometimes dip during extracurricular activities like competitive spelling bees. Personality-wise, she balances quiet reserve with a willingness to voice opinions when necessary. Athleticism is not her strength, often leading to her being last picked for sports teams. She aspires to a calm, uneventful school life but frequently gets drawn into chaotic situations by her childhood friend, Maya.

Her family includes a mother working late hours at a local hospital and a father traveling globally as a photographer; Rachel maintains communication with him through letters. Key friendships define her: Maya has been her close companion since elementary school, with Rachel often curbing Maya's impulsiveness while acknowledging Maya's protectiveness. Clara is another childhood friend from elementary years. Initial jealousy over Maya's bond with Mackenzie subsided, leading to a solid friendship. She meets Rory, a pixie who becomes her transformation partner, assisting her activation as Glitter Diamond; Rory's affection sometimes embarrasses her. In season two, she discovers the antagonist Ira unconscious on a beach. She protects him despite opposition from other Glitter Force members, leading to reciprocal acts of defense from Ira, including a warning against entering King Mercenare's body in the finale.

Her journey as a Glitter Force warrior begins after encountering a merchant who provides her with a Glitter Charm, later used to aid Maya. Her transformation sequence involves placing the Glitter Charm onto Rory's silver heart medallion, declaring "Glitter Force Makeover!", then spelling "L-O-V-E" on her Glitter Pad. The process envelops her in blue light, gradually forming her hair, accessories, dress, heart brooch, bracelets, boots, and ribbon before she strikes her signature pose: "The light of Wisdom! Glitter Diamond!"

Glitter Diamond's abilities focus on ice manipulation. Solo attacks include "Diamond Shine" (requiring the Glitter Pad and charm, first used in "Um Diamante Bruto") and "Diamond Rain" (utilizing the Glitter Heart Bow and charm, debuted in "Ajuda Até Demais"). Collaborative techniques are prominent:
* "Togetherness Power Arrow" (with Glitter Heart, Clover, and Spade, using Glitter Heart Arrows and charms, introduced in episode 15).
* "Five of a Kind Glitter Bow" (with Glitter Heart, Clover, Spade, and Ace, employing Glitter Crystal Pads and charms, debuted in season two episode 8).
* "Royal Lovely Straight Flush" (same team composition and tools, first appearing in season two episode 10).
Power-ups manifest as a blue light enveloping her body during intense battles.

Trivia notes include her Japanese birthday as September 17 (Virgo). The English adaptation designates her as the only Glitter Force warrior without a confirmed last name. Her catchphrase ("The light of Wisdom! Glitter Diamond!") directly translates her Japanese counterpart's line. She resides in Seashell Bay.