Pram stolen from nursery secure compound. London

Ive got a double twin buggy. It's 1250-1400 new, and was a gift from the grandparents. The nursery i send my kids to has an electromagnetic controlled coded lock for securely leaving prams/bikes etc. Today a parent left it open and some nefarious individuals stole a few prams.

Nursery say its first time it has ever happened. Probably true as it's new enough. It's all on cctv, and the criminals were known to police as they apparently hit a Tesco van day before.

1200 for a new one is out of reach. But wondering if i have any options here? Is the nursery obligated to do something on their insurance? I dont think my home and contents cover will stretch, but will try call and see. What about the parent that left it open?

And then theres a side question. When i inevitably see this pram again on FB marketplace. And i will know 100% if its mine cos theres some very unique damage i accidentally did to the hood zipper. What should i do? Can i take it back? Will the police act?