Police are hunting for thieves who burgled a home in Cranfield on Wednesday, January 29.
The house, at Holywell Road, in the village, was empty during the day between about 9am and 5.15pm.
During this time, burglars have broken in by smashing the rear window and climbing in, then making a search of the house.
They got away with nearly £20,000 of jewellery including:
Blue Versace watch
Christian Lacroix stainless steel watch
Ruby and diamond pendant set in gold
Black leather bangle with freshwater pearls and gold and silver charms
Gold ruby and diamond ring
Gold sapphire and diamond ring
Gold charm bracelet
Diamond pave white gold ring
Platinum freshwater pearl ring with diamond shanks
Holywell Road is a shingle road leading to fields.
Det Con Lynn Adams would like to hear from anyone who may have seen the offenders at the back of the house, seen anyone out of place hanging around the area or may have been offered these items of jewellery.
She can be contacted direct at Bedford CID on 01234 275142, or via the police 24 hour number 101, or alternatively contact independent charity Crimestoppers on 0800 555111.