What's the perfect jewelry gift for any woman? Earrings! After all, one size fits all. There are simply dozens of styles as well that coordinate with every mood or occasion Four of the most popular earring styles are: Studs: Stud earrings are earrings attached to a post that don't dangle over the earlobe, Studs are often single precious or semiprecious stones on a gold, silver or platinum post. Less expensive studs can be manufactured from an assortment of materials including metal, cloisonn and other types of enamel, glass and plastic. Hoops: Hoop earrings can be wide or narrow, sophisticated or folksy, inexpensive or top of the line. The oldest archeological evidence of earrings are a 2,500-year-old pair of gold hoops found in a Sumerian tomb. Hoops look great on women with oval- or heart-shaped faces. Drops: Drop earrings are gems or beads attached to a base by means of a head pin that dangle to just below the earlobe. Drops look great on women with oval- or heart-shaped faces. Dangles: Dangle earrings hang lower than drop earrings, and swing or sway as the earring wearer moves. They're heavier than other types of earrings. Many women have their earlobes pierced to facilitate wearing earrings. Other women prefer to use screw-back and clip-on earrings that don't require any body modification. Pierced ears do carry some health risks. In the initial weeks after the procedure is first performed, infections may develop. Additionally, many people develop Allergies to metal alloys used in earrings. Dangling earrings also are easily snagged if you don't take them off before slipping a favorite sweater over your head. Finally, sports players have been known to grab at their opponents' earrings when things get overheated on the playing fields, so if you are participating in a contact sport, it's always a good idea to take your earrings off before you start the game. In the last decade, many men as well as women have had their ears pierced so they could wear earrings. The styles of earring that are most popular among men are studs and hoops, but the latter should never be worn when a man is playing sports because of the danger that the hoop will get caught and the earlobe will tear.