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;
Cross-reference
Revelation 21:11 describes the city’s glory as jasper – the same stone listed first among the foundations here.
Revelation 21:18 describes the city's gold and jasper wall, providing the material context for the adorned foundations.
Revelation 4:3 describes God’s appearance as jasper and carnelian – the same stones appear in the city's foundations.
Exodus 28:17 lists 12 stones on the high priest's breastplate, prefiguring the 12 foundation stones of the New Jerusalem.
Isaiah 54:11 specifically mentions sapphire foundations for restored Jerusalem, directly corresponding to the New Jerusalem's sapphire foundation.
Isaiah 54:12 describes walls of precious stones and gates of crystal, matching the New Jerusalem's gates and walls of precious stones.
Exodus 24:10 describes a sapphire pavement under God’s feet – the same stone appears in the New Jerusalem's foundations.
Exodus 39:10 lists stones in the high priest's breastplate – the same gemstones appear in the New Jerusalem's foundations.
Ezekiel 28:13 lists the same gemstones covering a fallen ruler in Eden – contrasting with the holy city's foundations.