A sizing ring tester for retail display and consumer use is disclosed. The device includes a plurality of ring-sized sample rings mounted on a slim line support tile and individually secured by retractable retention members. Each sample ring is preferably moulded from ABS plastic to provide strength and flexibility, and is connected by a steel connector and a black coated stainless steel cable to a retractor assembly located beneath or within a base cradle. The ring is configured to self-locate in a fitted cradle by magnetic engagement, allowing orderly presentation while permitting a consumer