Ezekiel 1:26 English Standard Version (ESV)

²⁶ And above the expanse over their heads there was the likeness of a throne, in appearance like sapphire;^[a] and seated above the likeness of a throne was a likeness with a human appearance.

Ezekiel 10:1 English Standard Version (ESV)

The Glory of the Lord Leaves the Temple

10 Then I looked, and behold, on the expanse that was over the heads of the cherubim there appeared above them something like a sapphire,^[a] in appearance like a throne.