Silver Amethyst Crystal Stud EarringsAmethyst Stud Earrings These sterling silver stud earrings feature round cut amethyst crystals. Each gemstone is held securely within a classic four prong setting, which allows light to pass through the stone from multiple angles. The earrings are crafted from sterling silver, an alloy composed of 92. 5% pure silver, offering a durable and highly polished finish that complements the deep purple hue of the crystals.