A Kansas baker warned her customers on Facebook last week to bite down gently on cookies purchased from Sis’ Sweets Cookies and Café in Leavenworth. You see, the owner's engagement diamond fell out of her ring at some point between rolling the dough and placing the uncooked treats in the oven — so there's a chance the bauble was baked right into a batch.

Baker Dawn "Sis" Monroe broadcast her alert via the store's Facebook page on the morning of Friday, April 5, just after she prepared the day's cookie dough and scoured the prep area unsuccessfully for her precious keepsake.

"Bonus if you buy cookies today. My diamond is missing," she wrote on Facebook. "My heart is beyond broken. It’s been on my hand for 36 years. If you happened find it, I would forever be in debt if you would return it. It’s a marquise cut."

She was particularly concerned about the customer who might bite down onto the precious stone, which Monroe estimates to be worth $4,000.

”Mainly ‘cause I don’t want anybody to break a tooth,” Monroe told Kansas City ABC-affiliated KMBC.

Based on the variety of cookies she prepared that Friday morning, she is certain the diamond would be one of three batches: chocolate chip, sugar or peanut butter.

She also said there might be "a ton" of free cookies for the person who returns the diamond.

The baker told KMBC that her husband had picked out the marquise-cut center stone especially for her and that she hadn't take the ring off in 36 years.

“I was crying, and all [my husband] could say was, ‘You still have me,’ so that made it all better," Monroe said.

On Thursday, April 11, Cherokee Street neighbor First City Cheese Market injected some levity into a sad situation when proprietor Ryan popped into Sis’ Sweets Cookies and Café with a "diamond" cookie. Essentially, it was an Oreo with a diamond-shaped decoration protruding from the cream center.

Monroe shared a pic of Ryan and the cookie on Facebook and wrote, "Someone came in [and] brought me a cookie with a diamond in it. It’s a Topaz! We have great neighbors. We all work together to help each other!! Love our community, it’s the best! Thanks Ryan."

The baker added a final note about the missing diamond: "NO it still hasn’t been found."

As of Sunday evening, April 14, the diamond had yet to turn up. The story, on the other hand, has gone viral and circulated around the globe — delivering unmeasurable publicity to the Leavenworth baker.

Credit: Image by BigStockPhoto.com.