Pearl's dignity and balletic flair combine with Steven's lighthearted fun side and his occasional goofiness to form Rainbow Quartz's very flamboyant, fun, and posh personality.

A selfless caregiver, they plunge confidently through the air to rescue the falling gemstones of their friends. In a manner similar to that of Sardonyx, they speak with an English accent and share Steven's affinity for wordplay. Their caring nature is seen again in "A Very Special Episode" where they babysit Onion.