An apparatus for measuring dimensions of a jewelry comprises a body, wherein the body further comprises of a top side and a bottom side, wherein the top side and bottom side are parallel to each other. Further, a first lateral side and a second lateral side are fixed to the top side and the bottom side of the body such that, the first lateral side and the second lateral side form a tapered portion of the body. In addition, a slit opening is formed on the bottom side, wherein at least one first slit side and at least one second slit side extends from the slit opening and converge at a nodal point, to form another tapered portion. Also, one or more measuring units are provided on two or more faces of the body, enables a user to measure the dimensions of the jewelry. Figure 1.
