Connie Maheswaran is Steven Universe's best friend-turned-girlfriend, and a member of the Crystal Gems who is fully human After meeting Steven, she slowly began to learn about him, the Gems, and their past. Growing a strong bond with them, Connie decided that she wanted to help him and the Crystal Gems whenever danger arose in the Earth, training how to fight using a sword with Pearl since "Sworn to the Sword". during times of conflict

Garnet is the fusion of Ruby and Sapphire and the current de facto leader of the Crystal Gems. Garnet is one of the last surviving Gems on Earth who joined the Crystal Gems in the Rebellion against the Gem Homeworld and afterward assisted her friends in protecting the Earth over the next few millennia. After Rose Quartz gave up her physical form to give birth to her son, Steven Universe, Garnet took over as the leader of the group. Years later, after Ruby and Sapphire were officially married, Garnet is still an extremely stable fusion living a loving and peaceful life among the Crystal Gems and their uncorrupted allies. Garnet no longer feels pressured or overwhelmed due to her future vision which had caused her to once be stoic and distant, but instead is ready to face the future as it naturally unfolds.

Amethyst is a member of the Crystal Gems. She is the last known Gem manufactured on Earth as a part of the Gem Homeworld's Kindergarten project, being one of the last surviving Gems on Earth. After being found by Rose Quartz and the other Crystal Gems, Amethyst helped her friends protect the Earth over the next four millennia, and often aids in the shenanigans of Steven Universe. Years later, Amethyst lives a peaceful life with the Crystal Gems, no longer struggling with low self-esteem. Amethyst, alongside her fellow Crystal Gems, currently teaches at Little Homeschool. Despite once struggling with figuring out who she was, as well as battling self-confidence issues surrounding her appearance, Amethyst has since found peace and now assists other Gems in finding themselves as well.

Pearl is a member of the Crystal Gems. She was Pink Diamond's second Pearl, and one of Rose Quartz's closest followers and her sole confidant. Pearl is one of the last surviving Gems on Earth who joined the Crystal Gems in their rebellion against the Gem Homeworld. Pearl would afterward protect the Earth over the next several millennia alongside her friends, while later teaching Steven the ways of Gems.Years later, Pearl is no longer suffering from issues of self-worth and finds her way, knowing she is herself.