The Pleione cobalt chrome ring is perfect for both women and men looking for a slimmer band. Cobalt rings feature the same color as platinum or white gold but at a fraction of the cost. They are naturally scratch resistant and everlasting. The comfort fit interior makes this ring easy to wear. It makes perfect sense to purchase a matching set. Most sizes ship within 2 - 3 business days. Free Lifetime Warranty and Lifetime Sizing; pay no restocking fees or deductibles!