blue diamond (steven universe), pink diamond (steven universe), white diamond (steven universe), yellow diamond (steven universe), steven universe, 4girls, alexa rockman, art nouveau, blonde hair, blue eyes, blue skin, bubble, closed mouth, colored skin, diamond (gemstone), diamond (species) (steven universe), dress, full body, gem, gem (steven universe), long hair, long neck, multiple girls, pink hair, short hair, smile, white hair, white skin, yellow skin