- "Bruce's mom was killed for that necklace."
- —Kate Kane on the importance of Martha Wayne's necklace[src]
After the couple's murder, their son, Bruce, searched for the necklace on the street for years, eventually buying it back at an auction. Bruce kept the necklace in his office inside a square pyramid-shaped glass container that functioned as an entrance into an elevator that lead to the Batcave.
In fall 2018, Bruce's cousin, Kate Kane, agreed to have the pearl necklace up for display at the Museum of Antiquities to represent the role model Martha was to all women in Gotham. However, a jewel thief named Magpie broke into Wayne Tower and stole the necklace. Kate, as Batwoman, found and retrieved the pearl necklace, returning it to its glass container. She then managed to foil Magpie's plan to steal all the jeweled artifacts in the museum by using a bomb, disguised as the pearl necklace, as a diversion.
- The necklace is esteemed to be worth at least $1,000,000.
Behind the scenes
- In the DC comics, Martha Wayne's pearl necklace is the iconic reason she and her husband were killed; the family was walking home from a night out at the opera when a mugger known as "Joe Chill" assaulted them, demanding the necklace and killing the couple after Thomas tried to fight back.