Rings with their circular shapes have neither a start nor finish and are often the symbol of a never-ending union when given as an engagement ring. A ring is a commitment that is meant to last for many years to come, so getting clear on sizing is highly beneficial. But what is the first thing to do when narrowing down your size? And what tools and guides do you follow when measuring your finger yourself, especially while in a pandemic? Ahead, we’ve tapped several pros — jewelry designers Jennie Yoon of Kinn, Seetal Jogia of Labyrinth Diamonds, Marney Zaslav of Mociun, Brynne Overton of Valerie Madison, and Kristen Lawler-Trustey of Forevermark — who gave us plenty of tips and tricks for discovering your perfect ring size.