emerald: Nophech, an emerald, the same with the ancient smaragdus; one of the most beautiful of all the gems, and of a bright green colour, without any mixture. Exo 39:11, Eze 27:16 sapphire: Exo 24:10, Job 28:6, Job 28:16, Son 5:14, Eze 1:26, Eze 10:1, Rev 4:3 diamond: Jer 17:1, Eze 28:13