English → French
jewel /BrE ˈdʒuːəl 
, AmE ˈdʒuəl /
noun
1 (gem) pierre f
2 (piece of jewellery) bijou m
3 Technology (in watch) rubis m
4 (person) perle f; (town, building, object) joyau m
to be the jewel in the crown of être le plus beau fleuron de [collection, company, range]