India, Nov. 22 -- Cardi B welcomed her fourth child earlier this month. This is her first baby with boyfriend Stefon Diggs. To preserve a piece of his birth forever, the rapper has got her son's umbilical cord turned into a heart-shaped gold pendant, according to E! News.

Juliane Marie Corona, the owner of Mommy Made Encapsulations and creator of the piece, shared a video on her Instagram, giving audiences a glimpse into the process of preserving the umbilical cord.

After welcoming her son, Cardi B earlier shared several pictures with the newborn, giving her fans a peek into her postpartum look. In the caption, the rapper simply wrote, "11/4" with a teddy bear, a white heart, and a baseball emoji.

In the video shared on Instagram, Coro...