If you have been offered this gold ring, distinctive gold pendant and ruby earrings at a low price or in suspicious circumstances, it is because they have been stolen.
The jewellery was taken, along with an Xbox computer console, from a home in Harbour View Road on Portland on 30 May.
Weymouth and Portland police want to trace the jewellery and are appealing for witnesses or anyone with information to come forward.
Call Dorset Police in confidence on 101, quoting incident number 30:291. Alternatively, call the free and anonymous Crimestoppers line on 0800 555 111 where mobile phone tariffs may apply.