Answer:
This revelation is quite significant since it symbolizes the story's great irony.
Explanation:
This irony stands in the fact that Mathilde had to work and even went in debt in order to get a replacement for a piece of jewelry that was a fake. The necklace looks like it has value but is truly just an imitation, which in turn symbolized Mathilde not being happy with her life and with what she had in the first place.
