Tracy Strauss usually wears a pearl necklace.
Tracy wears her necklace while watching Senator Nathan Petrelli on the television with Governor Robert Malden.
While wearing the necklace, Tracy freezes a reporter who informed her that he was going to run a story whether she denied it or not.
Tracy, wearing the pearl necklace, finds out about Niki and visits the Dawsons' home, where she meets Micah.
Nathan saves Tracy from jumping off the Francis Scott Key Bridge and flies her to safety, as she is still wearing the pearl necklace.
Angela tells Tracy about Dr. Zimmerman and how he was a Company scientist while she is wearing her necklace.
Tracy and Nathan visit Mohinder at Isaac Mendez's loft and she is wearing her pearl necklace.
After Mohinder escapes with Maya, Tracy and Nathan wait for the Company to arrive; Tracy is wearing her necklace.
While meeting Arthur, Tracy is wearing her pearl necklace.
While on the phone with Arthur in Angela's office, she is wearing her pearls.
While showing Nathan the Marines, Tracy is wearing her necklace.
After killing Knox, Tracy is wearing her necklace.
Tracy resumed wearing her pearls, as seen when Edgar attacks her.