Top quality pair of sterling silver blue sapphire cubic zirconia stud earrings. The earrings shown in the photos are 5mm studs. If you are looking for a gift for someone with a September birthday, these are it. Sapphire is the September birthstone. These earrings feature top quality AAA grade colored cz stones hand set into .925 sterling silver using a 4 prong setting. The studs are secured using standard butterfly pushbacks. Depending on the size chosen; they are a great option for kids, teens, women or men who want a cool pair of studs. The earrings are available in stone sizes from 2mm-10mm. Please keep in mind that a millimeter mm is approximately the width of a credit card. (i.e. 2mm, 3mm, & 4mm are very small). Larger size CZ's have bolder colors, smaller size CZ's have much less color saturation (look more clear-ish). 25-SSE-SARDPRPB