I own a Disney collectible pin set that is worth way more than my engagement ring. And would be worth more if I broke it up to sell individually instead of as a set. But ask again in 20 years, and it will probably be worthless.
I was just having a similar conversation with a friend. He is going through divorce proceeding and for the discovery process, he had to list every asset (besides residence and automobile) over $300. He only had one - his iphone!! Whereas the wife had pages and pages of jewelry, watches, handbags, fur, and collectibles.
as for me, probably the diamond i extracted from my engagement ring after my divorce