6mm Black Tungsten Carbide Comfort Fit Ring with a Celtic knot design. Plated with Black (titanium carbide) using the PVD process whose beveled edges have been polished to reveal the polished Tungsten Carbide underneath. Sizing note "Comfort fit rings have a slightly curved bottom. Therefore, size of these ring may 'feel' slightly larger compared to the same size of in a typical flat bottom ring. Customers might consider getting a 1/2 size smaller ring size if size choice is based on the fit of a flat bottom ring size" Worried that you might order the wrong ring size? We have a hassle free exchange policy. If the ring does not fit, simply pay BC Marketplaces low shipping and handling fee, and we will be happy to exchange the ring for the proper size. (assuming new size is in stock and that ring is in a new condition) Brand: Almost Forever Jewelry Style: Polished Finish Resizable: No Size/Dimensions: 7 Gift Box: Gift Bag Material: Tungsten Gender: Unisex Age: Adult