For an apple charm stud earring design, let's blend a playful yet sophisticated style with the iconic shape of apples. Here's a detailed description of the earrings:

• Design: The earrings feature small, charming apple-shaped pendants as the main highlight. Each apple is crafted from polished metal (such as gold, silver, or rose gold) with a smooth, glossy surface that reflects light beautifully. The apple is depicted in a slightly three-dimensional form, with a subtle curve to mimic a real apple's shape.