These very pretty blue Simulated Sapphire color CZ earring jackets are a perfect way to add a touch of understated flair to any ensemble. Dress up your sterling silver studs or gemstone stud earrings with a pretty circle of glamorous sparkle. Our halo style Simulated Sapphire color CZ earring jackets will add a subtle, yet chic interest to your look. The inner diameter of our blue CZ earring jackets measures 6mm x 6mm and the outer diameter measures 12mm x 12mm. The post hole measures .5mm and the total weight of the pair of rhodium plated earring jackets is a lightweight and very comfortable 1.7 grams. These chic earring jackets are an easy way to add beauty to your sterling silver studs and make a sensational get for your September born fashionista friend. These are sure to add versatility to your collection of fashionable sterling silver stud earrings. Order yours today. Please note that these are earring jackets only. Earrings sold separately.