These tools are specifically designed to let you accurately measure your ring size at home. Best Brilliance also offers a ...

Circular is rolling out a new tool along with its next smart ring that will take the guesswork out of figuring out your ring size.

Forget taking an electrocardiogram from your wrist; now you can take one from your finger. The Circular Ring Gen 2, which was ...

Don't guess at ring size. A ring that's too large might slip off a finger, especially when its wearer's hands are cold, wet, or both. A ring that's too tight is a pain to get on and off and can be ...