She pinched the £180,000 six-carat gem from a jewellery fair in Bangkok.
But the Chinese woman and her male accomplice were caught on CCTV removing the jewel from the stall and replacing it with a fake.
Coming up with a cunning plan to hide the loot, she gulped it down.
After being identified by the camera footage, police tracked the pair down and scanned her – locating the precious stone in her intestine.
As she wasn't able to pass the diamond naturally, doctors were forced to perform a gut-wrenching op using pliers to remove it.
The Mirror reported she confessed to Thai police, moments after the scan.
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