lapidarist vs lapidary

lapidarist and lapidary both are nouns.

Word	Noun	Adjective	Verb	Adverb
lapidarist	Yes	No	No	No
lapidary	Yes	Yes	No	No

As nouns, lapidarist and lapidary are synonyms defined as:

lapidarist and lapidary: an expert on precious stones and the art of cutting and engraving them

lapidarist (noun)	lapidary (noun)
an expert on precious stones and the art of cutting and engraving them	a skilled worker who cuts and engraves precious stones
	an expert on precious stones and the art of cutting and engraving them

lapidarist (adjective)	lapidary (adjective)
	of or relating to precious stones or the art of working with them