From Longman Dictionary of Contemporary Englishrhinestonerhine‧stone /ˈraɪnstəʊn $ -stoʊn/ noun [countable, uncountable] DCJa jewel made from glass or a transparent rock that is intended to look like a diamond
Examples from the Corpus
rhinestone• The colour screen sits amongst the crippled, dust-flecked furniture like a rhinestone bauble.• All I ever got was rhinestones.Origin rhinestone (1800-1900) Rhine European river + stone 