It is so sad that you went through all of this. Once you get experience with hamsters, or any rodent really, you become familiar with the process of death. I find it easier to deal with the loss of my hammies and other small pets by allowing them to return to the cycle of life. I will often bury my small ones in the yard under an arbor of morning glories. I just recently buried Ted E. Bear, my Golden hammy, in a big patio pot. I will be reminded of him in the Spring when he helps beautiful flowers bloom in my yard. I remember, about 40 years ago, one of my gerbils passed away when we were at our summer place, which was right on the Appalachin Trail in Upper Greenwood Lake, New Jersey. I had found a heart shaped rock, all glittery, and I buried my little gerbil under a Scotch Pine I had planted when it was only about 6 inches tall. About 15-20 years later I was up there visiting, as my brother then owned the property, and I actually found the little heart shaped rock...under a Scotch Pine that was now a great big tree. I hope you are able to place your small friend somewhere where you can remember him. Play well at the bridge Harry.
These are the pots I use, and a photo of an arch of morning glory vines I have buried some of my furries under.