The One seated there looked like jasper and carnelian, and a rainbow that gleamed like an emerald encircled the throne.
Textus Receptus (TR) - Revelation 4:3 >καὶ ὁ καθήμενος ἦν ὅμοιος ὁράσει λίθῳ ἰάσπιδι καὶ σαρδίνῳ· καὶ ἶρις κυκλόθεν τοῦ θρόνου ὁμοία ὁράσει σμαραγδίνῳ.