The difference between small and large hoop earrings is the size of the hoop. Small hoops are typically less than two inches in diameter, while large hoops are usually two inches or more in diameter. Large hoop earrings can make a statement and are often more eye-catching than small hoops. They can also be more comfortable to wear, as the weight of the earring is distributed over a larger area. If you want to make a statement, go for a pair of large hoop earrings. Or, if you prefer a more subtle look, try a pair of small hoop earrings.