diadem
noun
[ ˈdʌɪədɛm ]
• a jewelled crown or headband worn as a symbol of sovereignty.
Similar:
crown,
coronet,
tiara,
circlet,
chaplet,
headpiece,
headband,
fillet,
wreath,
garland,
coronal,
taj,
Origin:
Middle English: from Old French diademe, via Latin from Greek diadēma ‘the regal headband of the Persian kings’, from diadein ‘bind round’.