Imagine yourself wearing these checkerboard cushion-shaped purple amethyst solitaire stud earrings, a vibrant addition to your jewelry wardrobe. Fashioned in sterling silver each earring simply glistens with a 7. 0mm checkerboard cushion-shaped bright purple amethyst solitaire. Amethyst is the traditional birthstone for february and represents peace and tranquility. These post earrings secure comfortably with friction backs.