In flat back earrings, the post goes in from the front while the flat disc backing threads or presses onto it from behind. The connection point is inside the piercing, which is what keeps the back surface smooth and flush.
A Storied Heritage
Diamond's presence in the crown jewels of Britain, Russia, and beyond reflects a convergence of properties no other stone offered simultaneously (unmatched hardness, optical brilliance, and rarity) together making it the material monarchies reached for when the object needed to reflect authority.
Industry Insight
Instead of hanging away from the ear, an ear climber earring maps onto it. It follows the outer helix upward and makes the ear's own curve part of the visual composition.