σάπφιρος, ου, ἡ

Mentioned in Revelation 21:19 as a component of the New Jerusalem's foundation, the sapphire, distinguished by its rich, deep blue color, represents  divine favor and heavenly grace. This gemstone embodies the profundity of God's wisdom and unwavering faithfulness, acting as a symbol of the the purity of the heavenly realm and the profoundness of God's pledges. The inclusion of sapphire in the construction of the New Jerusalem highlights the intense and unyielding character of God's dedication to His followers. The sapphire's intense blue shade, often likened to the sky or the deep ocean, adds a dimension of majesty and serenity, further emphasizing the sacred and eternal nature of this heavenly vision.