relatively short with a thick, stocky build. He has fair skin, curly dark brown hair, dark brown eyebrows, and full black irises which can sometimes have stars as pupils when he gets excited or optimistic. He wears a salmon-pink T-shirt with a gold star in the center. He also wears cuffed blue jeans and salmon-pink flip-flop sandals. His gemstone, a rose quartz he inherited from his mother is where his navel should be. while he is fourteen years of age his half-Gem physiology affects his rate of aging and he appears younger. Steven is optimistic, friendly, outgoing, soft-hearted, and carefree with a happy-go-lucky attitude that is appreciated by many of the citizens of Beach City in one way or another. Steven sees the best in everyone and is also very compassionate, something which he inherits from his mother and treasures his friends and family. He is friendly toward almost everyone he meets, never treating anyone with prejudice, even enemies.

She has three eyes, which are usually hidden behind a pair of shades. Her right eye is a medium ruby-red, her left a medium sapphire-blue, while the center third eye is a dark purple color, a mix of the other two. Her gemstones are circular and embedded in the palms of her hands, with Sapphire's having a triangular facet and being located on the right, and Ruby's having a square facet and being located on the left. Like Ruby, she has a deep violet cube-shaped afro and a magenta skin tone, while her facial features more closely resemble Sapphire's, with a rounded square jaw, and plump lips. she had medium, red skin, and black hair styled into a cube-shaped afro. She almost always wore triangular futuristic, translucent peach-tinted shades, which covers all three of her eyes. She wore a black and crimson bodysuit, with cubic shoulder pads (the right one being brink pink, the left one being crimson), and a pale pink star with a brink pink outline on her chest. She also wore long, elbow-length black gloves that covered her middle fingers.

Amethyst wore a mauve, oversized, off-shoulder tank top with a black bra underneath. She also wore black leggings with star-shaped cutouts on the knees, with a tear above the left star, and small, pointed, white ankle boots. Fun-loving, full of laughter, and generally carefree to a fault.

Pearl wore a dull cyan mesh top with a yellow star and transferred into a transparent ruffled yellowish-green mini-skirt . She also wore short salmon pink leggings, light green socks, and pale blue ballet flats to match. Pearl suffers from low self-esteem. Pearl is a perfectionist who is knowledgeable on a plethora of topics that value organization.