Strong’s Hebrew
H3095 — yahalom
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
יַהֲלֹם
yahalom — pronounced yah-hal-ome
from 1986 (in the sense of hardness); a precious stone, probably onyx:--diamond. see H01986
3 occurrences in the KJV.
Exodus 28:18
And the second row shall be an emerald, a sapphire, and a diamond.
Exodus 39:11
And the second row, an emerald, a sapphire, and a diamond.
Ezekiel 28:13
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.