Quick answer
Gemma is a girl name meaning "gem, precious stone".
Pronunciation: Italian /ˈd͡ʒɛm.ma/; Catalan /ˈʒem.mə/; British English /ˈd͡ʒɛm.ə/; Dutch /ˈɣɛ.maː/.
Meaning and history
Medieval Italian nickname meaning "gem, precious stone". It was borne by the wife of the 13th-century Italian poet Dante Alighieri.
Notes and context
Usage: italian, catalan, english, dutch