The message was posted on NYPD Twitter.
In addition to the video recording of the incident, the police also published a photo of the ring, specifying that it was "recovered" and cleaned of dirt.
Here’s a photo of the ring our officers recovered (and cleaned!) Call 1-800-577-TIPS or DM @NYPDTips if you know the happy couple so we can return it to them! pic.twitter.com/hzFXxuMVJW
— NYPD NEWS (@NYPDnews) December 1, 2018
Now they are asking users to help them find the hapless bride and groom in order to return the jewellery.