Targoum sur L’Exode 28:19

And the name of the third row, ligure, and agate, and amethyst; and upon them shall be written and expressed the names of three tribes, Gad, and Asher, and Issakar.

And third row, ligure, and beryl, and smaragd; written expressly upon them (shall be) the name of the three tribes, Dan, Naphtali, and Gad.