DIAMOND, One of the jewels in the breastplate
18. And the second row shall be an emerald, a sapphire, and a DIAMOND.
11. And the second row, an emerald, a sapphire, and a DIAMOND.
1. The sin of Judah is written with a pen of iron, and with the point of a DIAMOND: it is graven upon the table of their heart, and upon the horns of your altars;
13. Thou hast been in Eden the garden of God; every precious stone was thy covering, the sardius, topaz, and the DIAMOND, the beryl, the onyx, and the jasper, the sapphire, the emerald, and the carbuncle, and gold: the workmanship of thy tabrets and of thy pipes was prepared in thee in the day that thou wast created.
DIAMOND-One of the jewels in the breastplate DIAMOND in Naves Topical Bible (Bible History Online)