Many women have little gem stud earrings that they no longer wear. It could be a longer hairstyle that needs larger earrings, or a change in personal style or it could be that the little gem stud is too tiny and static a look for them anymore.
Simple Studs, From Jewelry Box Gravel to Front Line Sparkle Bling
These little studs can very simply be turned into ear charms dangling off of little hoops. You can combine more than one pair of little studs into nicer multi-gem ear charms.