NET
10 and they saw the God of Israel. Under his feet there was something like a pavement made of sapphire, clear like the sky itself.
Darby
10 and they saw the God of Israel; and there was under his feet as it were work of transparent sapphire, and as it were the form of heaven for clearness.
KJV
10 And 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.