G4552
σάπφειρος
sapphire
σάπφειρος, -ου, ἡ [in LXX for סַפִּיר ;] sapphire (perh. = lapis lazuli): Rev.21:19.† (AS)
The KJV translates G4552 in the following manner:
sapphire (2x)
Full Thayer's lexicon entry
σάπφειρος — sáppheiros
σάπφειρος, σαπφείρου, ἡ, Hebrew סַפִיר, sapphire, a precious stone (perhaps our lapis lazuli, cf. B. D., under the word; Riehm, HWB, under the word Edelsteine, 14): Rev 21:19. (Theophrastus, Dioscorides (?), others; the Sept..)
1 occurrence