This is a lovely Sand-cast bracelet that is 1/2 inch wide in front and goes to a peak, with the Onyx, then it taper to 1/4 inch at the back. Side to Side 2 1/4 inches and front to back is 1 5/8. More for the medium wrist. There are 5 dividers of silver between the onyx. It is marked Sterling and R. This bracelet is ridged and weighs 21.21g For you from Kansas!