sought after 
adjective
Much in demand; generally desired: the most expensive and sought-after perfume...
- The versatility of cocoa makes it one of the more popular and sought-after ingredients in the culinary world today.
- A humble Scottish charity shop has emerged as one of the country's most sought-after suppliers of designer fashion.
- As the most popular and sought-after schools are full, parents would then have to find a place at another on their return.