Abstract: A ring jewelry capable of changing an appearance thereof and enduring a long time use, and also being easily designed to have gorgeous appearance and easily assembled. The ring jewelry comprises a first ring element and a second ring element rotatably connected with the first ring element. The first ring element may comprise a base ring and the second ring element may comprise a rotary ring rotatable mounted on a cylindrical supporting wall of the base ring. The base ring may be divided into a first ring and a second ring fitted to each other. The rotary ring is rotatably held on the supporting wall in a groove formed between annular ridges on peripheral edges of the first and the second rings. A click stop mechanism for holding the rotary ring at a plurality of rotational positions relatively to the base ring may be provided.