simulant
simulant · simulants
Something that simulates something else such as a gemstoneSomething that simulates something else such as a gemstone.
/ˈsɪmjʊlənt/
Meaning
1 sensesSomething that simulates something else such as a gemstone.
Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976.