Featuring amethyst CZ crystal centres, these star sleeper hoop earrings would make the perfect birthday gift for your favourite February-born lady. Part of our birthstone collection, we have every colour available to suit your needs. Made from sterling silver, these sleeper hoops can be worn day or night and at just 10mm in diameter would suit someone who prefers a minimal jewellery look. They weigh a tiny 0.61 grams so they're also really comfortable.