Hanfords of London Dark Amethyst & Silver Handmade Cufflinks. Birthstone for Pisces & February. Guaranteed for 12 Months. Entirely Handcrafted in the UK. Comes in a Stunning Hanfords of London Presentation Box Amethyst is the Birthstone for Pisces, as well as a Traditional, Modern & Ayurvedic Birthstone for February. Great Birthday Gift!!