Editer: Sorry to hear your iPhone was stolen. But the good news is if you've backed up your iPhone, you can easily get back your photos by using this tool. iFonebox scans and retrieve iTunes' backup files on the computer and presents any recoverable photo via an image interface to preview. Export all of the photos at once or browse to pick and choose for restore. This software is free to try and scan backup data, and then $19.99 to unlock the recovery feature.
iFonebox Review: Easy way to get back lost data in your iOS Mobile
With iFonebox, you can also pulls out contacts, photos, videos, SMS messages, notes, call history, voice memos, calendar events, reminders, etc from iTunes backup files. Available as a free, Price from $19.99~$59.99 (choose the data you want to recover on this page to get discount).
See how to use iFonebox on windows