A ring is a piece of jewelry that consists of a circle, or hoop, shoulders, and a bezel. The circle can be circular, semicircular, square, or flat. The shoulders are a thickening of the circle that supports the bezel.
A 3D carving of a human, animal, mythological creature, or scene, usually made from agate, shell, glass, or onyx
A ring with a stone made of crystals that changes color based on body temperature