Diademe

When he ſhould put on his apparel again, the yong gentlemen that plaied with him, found a man ſet in his chaier of eſtate, hauing the kings diademe on his head, & his gowne on his back, & ſaid neuer a word.

Source: wiktionary

I am his firſt borne ſonne, that vvas the laſt / That vvare the Imperiall Diademe of Rome, […]

Source: wiktionary

Eſpecially in this, that he taketh the Diademe for a Royall crowne of pure gold, ſet with precious ſtones. This ignorant block (ſaith he) either hath forgotten or neuer knew that the Diademe is a wreathe of cloath or of ſilke; […]

Source: wiktionary