Revelation 21:19

The foundations of the city wall were adorned with every kind of precious stone:

the first foundation jasper,
the second sapphire,
the third chalcedony,
the fourth emerald,

Isaiah 54:11-12

“Poor Jerusalem, storm-tossed, and not comforted,
I will set your stones in black mortar,
and lay your foundations in sapphires.

Exodus 28:17-21

Place a setting of gemstones on it, four rows of stones:

The first row should be
a row of carnelian, topaz, and emerald;

Exodus 29:10-14

“You are to bring the bull to the front of the tent of meeting, and Aaron and his sons must lay their hands on the bull’s head.

Job 28:16-19

Wisdom cannot be valued in the gold of Ophir,
in precious onyx or sapphire.

Proverbs 3:15

She is more precious than jewels;
nothing you desire compares with her.

Treasury of Scripture Knowledge

Summary

Revelation 21:19

And 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;