What is the classic pearl earring size?

Although opinions vary, many people say that the classic pearl earring size is 7 to 8 millimeters. At this size, pearl studs are around 0.25 inches wide. Jewelry makers offer pearl earrings in sizes as small as 2 to 3 millimeters, and you can also find pieces that are upward of 9 to 10 millimeters in diameter. Shop a wide variety of pearl earrings on 1stDibs.