Item specifics: Style Stethoscope Ring Width of Ring Band 2.0MM(0.07INCH) Measurements Ring Height: 1.6CM(0.64INCH); Birthstone Size: 2*2MM(0.08*0.08INCH) Material Sterling Silver 925 Birthstone: Features the beautiful sketch of the stethoscope, which is a classic medical symbol for medical students, doctors, and nurses, this simple ring can be a great gift for these excellent people who are on their way of guarding people's health! Pick the birthstone to make this ring more personal for the gift receiver.