Wedding rings were stolen in a raid on a home in Long Bennington on Monday, one of two burglaries in the village on the same day.
The rings were taken from a property in Acklands Lane after the front door was forced open and an “extensive search” carried out.
In the second burglay, in Costa Row, a conservatory door was forced open and cash stolen.
Both burglaries were carried out between 6pm and 10pm.
The officer investigating is detective constable James Thompson of Grantham CID. He is appealing for anyone who saw anything suspicious at the relevant times or in the days leading up to the offences to get in touch.
He can be contacted by calling the force via the 101 non-emergency number and asking for extension 3236 or via e-mail at firstname.lastname@example.org
Alternatively, call Crimestoppers anonymously on 0800 555111.