The metal component is crafted from sterling silver (925), featuring an oval-cut natural amethyst weighing over 15 carats. The size is adjustable. This item also includes the exquisite leather jewellery box pictured. Shipping: We deliver via UPS, Royal Mail, DPD, and other logistics providers. Delivery times depend on your local postal system, but most orders within Europe arrive within 5 to 7 business days.