The earrings shown are simulated emerald stud earrings featuring a Moissanite halo, crafted in 925 sterling silver with 22k gold finish. This piece feature simulated emeralds at their center, known for their vivid, luminous green color. Gemstones: A central square-cut or bold emerald surrounded by a "halo" of sparkling Moissanite. Metals: Most versions of this high-end design are set in 925 sterling silver . which 22k gold-plated for added shine. Closure: These are generally designed with a push-back closure, often offering multiple tightness levels for comfort.