Police are appealing for information after a woman had jewellery of financial and sentimental value and other items stolen from her car.
At about 18:40hrs on Wednesday, 24 January, the victim parked her car in Beavor Lane, W6.
The 39-year-old woman left the car for about five minutes, and in that short period of time two suspects on pedal cycles approached the vehicle, smashed a rear window and stolen a Burberry handbag which contained bank cards, travel documents, a mobile phone, cash, clothes, make-up and jewellery.
The total value of items stolen is around £30,000, including a ring worth £10,000 and a handmade diamond necklace and matching pendant given to the victim by her father.
Police have released photos of some of the items that were stolen, and are appealing for anyone with information about their whereabouts to contact them.
PC James Clarke, the investigating officer from Hammersmith and Fulham police, said: "This theft has been extremely upsetting for the victim, who is a hard-working mother who has had valuables stolen by heartless thieves.
"Even more distressing for the victim is that she has lost a one-of-a-kind, irreplaceable, handmade necklace and pendant give to her by her father.
"We are determined to catch those responsible and bring them to justice.
"I would appeal for anyone who recognises these items and has information on where they are to do the right thing and contact the police."
Anyone with information should call police on 101 quoting CAD number 6770/24jan
Information can also be reported to Crimestoppers anonymously on 0800 555 111 or online at crimestoppers-uk.org.