If looks much whiter than traditional Sterling Silver making it appear like Platinum or White Gold. Argentium Silver is 100% nickel free. How to mention the ring size? As all our rings are'made to order', you can get any size you want. We offer full customization on each product.If you have a design. In mind, we can manufacture customised products as well. We offer engraving service absolutely at free of cost on each product. All our products are'Made to order' so it takes about 10 days in processing the order as we do not carry any physical inventory.