Rhinestone

(n.) A colorless stone of high luster, made of paste. It is much used as an inexpensive ornament.

Thesaurus Entries

anklet, armlet, bangle, beads, bijou, bracelet, breastpin, brooch, chain, chaplet, charm, chatelaine, circle, coronet, crown, diadem, earring, fob, gem, jewel, locket, necklace, nose ring, pin, precious stone, ring, stickpin, stone, tiara, torque, wampum, wristband, wristlet