Collocations for elegance - noun

great
classical
casual, simple, understated
a certain
The original poem has a certain elegance that is lost in the translation.

sartorial (esp. BrE)
John has never been known for his sartorial elegance.

air, touch
The ironwork lends a touch of elegance to the house.

display, have
The building has great elegance and charm.

lack
add, give sth, lend sth
The pillars give a classical elegance to the room.