noun
luster
LUS-ter/ˈlʌstər/
A soft reflected radiance from a surface.
The cream pearls have a soft luster in the light.

Etymology
Latin lustrare meant to spread light over something. Luster names the resulting quality of radiance, especially the attractive gloss of a surface reflecting light.
In context
a luster that goes far deeper than just its natural shine. Even with its lofty asking price, cordovan leather that's maintained well …
More examples
- The satin ribbon has a gentle luster.
- Polishing restores the silver bowl's luster.
- Years of wear have dulled the wood's natural luster.
Forms
lustrous adjective — Having a soft, reflected shine.