Dear ABC,

My insurance policy with your company covered the loss of [item name]. I placed a high personal and monetary value on [item name], and its loss has caused me considerable distress.

I misplaced [item name] on [date], while [briefly explain how you misplaced it]. Despite my best efforts, I have been unable to locate [name of the item]. I am enclosing for your review all pertinent documents, including the police report and any other supporting evidence.

Per the terms of my policy, I would like to request compensation from the insurance company for the loss of my [item name]. I understand that the claim process may take some time, but it would be greatly appreciated if you could keep me informed of the status.

Please inform me if I need to provide any additional documents or information to expedite the process. I anticipate your speedy response and assistance with this matter.

We appreciate your time and consideration.

Regards, 

XYZ