NEW CLASSIC AQUA BLUE STONE STUD PIERCED EARRINGS (20) ALL JEWLREY IS NEW AND TOP QUANITY. WHEN BUYING MULTIPLES PLEASE BUNDLE AND SEND AN OFFER. Stud Earrings are a small type of earring that, as the name suggests, is shaped like a stud. It’s one of the most common kinds of earrings in use today and can go well with many different fashion styles due to its simplicity.