Silvertone CZ Hoop Earrings - Small - 12mm Small CZ Hoop Earrings will add the subtlest sparkle to any outfit. Go from workday to big night out with these diminutive 0.5 inch (12mm) across sterling silver hoops. Pave set on the upper half with 0.025ct (1.8mm) imitation diamond CZs. Each earring weighs 0.6 grams.