As far as diamond engagement rings are concerned, it's about a century old tradition at this point, so four or five generations. That's a pretty long time for the purposes of this discussion.
Agreed to an extent. I posit they probably aren't 4/5 generations of actual traditional usage yet. Most folks great grandparents probably did not have diamond rings.
I should also have said this was more a side comment. I don't think it detracted from the overall point made earlier.
As far as diamond engagement rings are concerned, it's about a century old tradition at this point, so four or five generations. That's a pretty long time for the purposes of this discussion.
And this comes form someone who didn't get their fiancée a diamond ring for various reasons.