Tiara

Noun

 * 1) The papal crown.
 * 2) An ornamental coronet.

Thesaurus
anklet, armlet, bangle, beads, bijou, bracelet, breastpin, brooch, cap of dignity, cap of maintenance, chain, chaplet, charm, chatelaine, circle, coronet, crook, crosier, crown, diadem, earring, ermine, fob, gem, great seal, jewel, keys, locket, miter, necklace, nose ring, orb, pallium, pastoral staff, pin, precious stone, privy seal, purple, purple pall, red hat, regalia, rhinestone, ring, robe of state, rod, rod of empire, royal crown, scepter, seal, signet, stickpin, stone, torque, triple crown, triple plume, uraeus, wampum, wristband, wristlet