adornment - a decoration of color or interest that is added to relieve plainness

gleam, glint, glisten, glitter, shine - be shiny, as if wet; "His eyes were glistening"

adorn, decorate, grace, ornament, embellish, beautify - make more attractive by adding ornament, colour, etc.; "Decorate the room for the party"; "beautify yourself for the special day"