Moses
Exodus 28:18ESV·traditional attribution

and the second row an emerald, a sapphire, and a diamond;

Matthew Henry Presbyterian @wholebiblehenry

The most considerable of the ornaments of the high priest was this breast-plate, a rich piece of cloth, curiously wrought with gold and purple, etc., two spans long and a span broad, so that, being doubled, it was a span square, Exo 28:16.

Commenting on Exodus 28:15-30

John Gill Reformed Baptist @doctorgill

And the third row, a ligure, an agate, and an amethyst. The first of these stones, the ligure or lyncurius, is said to be so called from the congealed urine of the lynx (n), but rather from the spots of that creature; for, according to Danaeus (o), it is the same stone with that called "stellina", from having many specks like stars spread about in it.

Keil & Delitzsch Lutheran @keilanddelitzsch

Exo 28:17-19 “And fill thereon (put on it) a stone-setting, four rows of stones,” i.e., fix four rows of set jewels upon it. The stones, so far as their names can be determined with the help of the ancient versions, the researches of L. de Dieu (animadv. ad Ex 28) and Braun (vestit. ii. c. 8-10), and other sources pointed out in Winer’s R. W. (s. v.

Commenting on Exodus 28:17-19