Jewelry experts estimate that Kim Kardashian's birthday necklace from North West is valued at around $20,000. Get more details on the custom piece.

Kim Kardashian celebrated her 44th birthday on Monday, October 21, and her celebration was complete with lavish gifts. But one of the more surprising gifts came from her 11-year-old daughter, North — who left an unexpected message inside.

Kim Kardashian's 11-year-old daughter, North West, got her mother a unique gift for her 44th birthday. On her Instagram Stories, Kardashian revealed a diamond necklace, which was engraved with the words “ skibidi toilet ” on the front. "Wow," Kardashian said while showing off her gift for the gram.

Kim Kardashian posted a video of her daughter North West, 11, gifting her a diamond necklace engraved with 'Skibidi Toilet' for her 44th birthday on her Instagram Stories on Oct. 21.

North got me this diamond necklace that says Skibidi Toilet. Wow,” the reality star said with a laugh while filming the sparkly piece featuring a silver plate.

North West never passes up an opportunity to play around with Kim Kardashian — even when it’s in diamond form. Kim, 44, took to Instagram to show off the gifts her kids got her for her birthday on Monday,

Kim Kardashian received a necklace from her daughter North West with a Gen Alpha meme. The diamond necklace had a rectangular pendant engraved with "Skibidi Toilet" on one side and "Love, North" on the other.

North West Gifts Mom Kim Kardashian ‘Skibidi Toilet’ Diamond Necklace for 44th Birthday Kim Kardashian shared a video on Instagram of the diamond necklace her 11-year-old daughter, North West, gifted her for her 44th birthday.