Concise Bible Dictionary:

Sapphire Ring
When Moses, and the elders, went up into the mount to God “there was under his feet as it were a paved work of a sapphire stone” (Ex. 24:1010And they saw the God of Israel: and there was under his feet as it were a paved work of a sapphire stone, and as it were the body of heaven in his clearness. (Exodus 24:10)). In Ezekiel’s vision, above the firmament, was seen the “likeness of a throne as the appearance of a sapphire stone” (Ezek. 1:2626And above the firmament that was over their heads was the likeness of a throne, as the appearance of a sapphire stone: and upon the likeness of the throne was the likeness as the appearance of a man above upon it. (Ezekiel 1:26)). It was one of the stones in the breastplate, and one that garnished the foundation of the holy Jerusalem. It is symbolical of heavenly glory (Ex. 28:1818And the second row shall be an emerald, a sapphire, and a diamond. (Exodus 28:18); Rev. 21:1919And the foundations of the wall of the city were garnished with all manner of precious stones. The first foundation was jasper; the second, sapphire; the third, a chalcedony; the fourth, an emerald; (Revelation 21:19)). The word occurs in Job 28:6,166The stones of it are the place of sapphires: and it hath dust of gold. (Job 28:6)
16It cannot be valued with the gold of Ophir, with the precious onyx, or the sapphire. (Job 28:16)
; Song of Solomon 5:1414His hands are as gold rings set with the beryl: his belly is as bright ivory overlaid with sapphires. (Song of Solomon 5:14); Isaiah 54:1111O thou afflicted, tossed with tempest, and not comforted, behold, I will lay thy stones with fair colors, and lay thy foundations with sapphires. (Isaiah 54:11); Lamentations 4:77Her Nazarites were purer than snow, they were whiter than milk, they were more ruddy in body than rubies, their polishing was of sapphire: (Lamentations 4:7); Ezekiel 10:11Then I looked, and, behold, in the firmament that was above the head of the cherubims there appeared over them as it were a sapphire stone, as the appearance of the likeness of a throne. (Ezekiel 10:1) and Ezekiel 28:1313Thou 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. (Ezekiel 28:13). Probably an azure or sky-blue stone. Some suppose it was the Lapis-lazuli, others identify it with the modern sapphire.

Jackson’s Dictionary of Scripture Proper Names:

telling out: recounting