Silver Round Amethyst Stud Earrings with Beaded HaloAmethyst Stud Earrings These stud earrings are crafted from 925 sterling silver and feature a 3 mm round purple amethyst as the central gemstone. A halo of tiny silver beads surrounds each amethyst, and the metal's edge is detailed with a Millgraine effect, which creates a fine, beaded texture. This vintage inspired design provides a subtle decorative detail suitable for everyday wear.