I have one with my mom's ashes. I don't wear it all the time, but it's a very cool piece completely in line with the rest of my jewelry. I wear it when I want to feel especially close to her, or just because. The rest of the time it's in my jewelry box. My dad has a small sealed box, and we buried a small urn because it was important to my grandmother.
We also got the majority of the ashes in a scatter box. Mom was a traveler, and Dad and I travel together a lot. So we've scattered ashes at places she loved, or she would have loved. The coolest was at sea. We took the box on board, and asked the cabin steward if we were allowed to scatter them when we hit international waters. He checked with the captain, who diverted the ship slightly off course to where it was legal. The captain also sent two ships' officers to our cabin to escort us to a crew deck (along with a couple of friends we had met on board). And Mom got a proper burial at sea with the officers and captain leading, and us saying a few words during the actual scattering. It was completely unexpected, but meant so much!
We still have some of the scatter ashes left, just trying to decide where to go next. It might not be for everyone, but it has been a great comfort to us. Even picking up the different containers at the funeral home--they put everything in a shopping bag. Given how much Mom loved to shop, it just felt fitting somehow.