Ring resizing is a process that adjusts the size of a ring to ensure a comfortable fit on a finger. This can involve either increasing or decreasing the ring's circumference, depending on the wearer's needs. Jewelers typically use specialized tools and techniques to carefully alter the metal without damaging the ring's design or any gemstones. The resizing process usually takes a few days, and the cost can vary based on the ring's material and complexity. It's important to consult a professional jeweler to determine the best method for resizing, especially for intricate designs or valuable pieces like engagement rings.