Formal:
* The restaurant's Michelin star added a cachet of prestige to its reputation.
* The antique furniture possessed a certain cachet that attracted collectors.
* The university's renowned faculty gave its degrees a cachet of excellence.
Informal:
* That vintage car has a real cachet about it.
* Being able to speak multiple languages gives you a certain cachet in the business world.
* The celebrity chef's appearance at the event added a cachet of excitement.
Figurative:
* The artist's unique style gave their work a distinctive cachet.
* The travel writer's vivid descriptions imbued the destination with a romantic cachet.
Remember: "Cachet" is a noun and means a mark of distinction, especially one that gives a product or service a high reputation.