Three diamond rings were stolen in a burglary in Garforth.
Thieves stole the rings from a home in the town on November 9.
PC Melissa Wilson, of Leeds District Neighbourhood Crime Team, said: “The victim is an elderly lady and the items have significant sentimental value to her.
“I would like to hear from anyone who has been offered these items for sale or who has any information that could assist us in tracing them.”
Anyone with information is asked to call PC 706 Wilson at Elland Road via 101 or call Crimestoppers anonymously on 0800 555 111.