I love little detail that Pearls seem to be custom-tailored to their "owners", that they're not created in Kindergartens, that they're handmade, rare luxuries. If that's the case, it stands to reason that there'd be a gem who makes Pearls, right? A Mother of Pearl, if you will.
So enter Pink Mother of Pearl, a gemsona version of my darling Camille. MoP, called Moppie for short, was specially created by Pink Diamond to produce and culture Pearls for elite gems. I imagine on Homeworld she is seen as like a respected craftsman of high-end goods. But like Peridot and Lapis, she's a refugee on the run from the gem empire. She loves her Pearls, and was sickened by how they were treated by their aristocratic "owners". Inspired by the favorite of her creations, Earth Pearl, and Rose Quartz, she escaped from Homeworld with a handful of other gems (other gemsonas who i will draw soon I swear) and a few "reject" Pearls to set up a sanctuary for runaway gems on a small, uninhabited planet.