mosaist
/ˈmoʊsɪst, ˈmɒsɪst/Definitions
1. noun
One who practices mosaics, especially as a craft or art form.
“The mosaist designed a beautiful mosaic for the church floor.”
2. adjective
Relating to mosaics or the art of creating them.
“The mosaist style is a popular choice for home decor.”