Stud earring backings are not all the same. Butterfly push-backs are fast and fine for most purposes. Screw-backs are the choice when the earring is valuable. Locking clutches are somewhere in between.
A Storied Heritage
The post and back earring finding is a 20th-century development. As ear piercing became mainstream in Western culture, the post replaced wire and hook findings that had been standard since antiquity, offering a flush, stationary wear format suited to the stud and cluster styles that defined the century's earring aesthetic.
Stone Story
Single pearl per oyster, longer growth cycle, nacre that produces superior luster and surface quality. These three production realities account for the consistent Akoya premium over freshwater pearls of comparable size.