Destiny Garnet is a fusion of three Gems: Peridot, Amethyst, and Garnet. She has Garnet's physical appearance, with a few notable differences. Her eyes are a mix of Peridot's green and Amethyst's purple, and she has a more slender build than Garnet. She wears a outfit that resembles a combination of Garnet's and Peridot's attire.

Destiny's personality is a unique blend of her constituent Gems. She possesses Garnet's confidence and leadership skills, Peridot's analytical mind, and Amethyst's quirky and playful nature. Destiny is a complex and multifaceted character, often displaying a dry sense of humor and a deep understanding of the world around her.

Throughout the series, Destiny plays a crucial role in the Crystal Gems' battles against various enemies, including the Gem Homeworld and its ruler, The Diamonds. She also serves as a mentor and friend to Steven Universe, the show's protagonist, and helps him navigate the complexities of being a half-human, half-Gem.