[ Twenty four...that's like, a baby in gem years. The other's astonished look doesn't really strike them as weird - they have no reason to think that asking something like that is rude, after all. ]

I don't think I even remember being twenty-four...

[ Should hearing this from a living being make them feel old? Probably not, but it kind of does. Their eyes close while she studies their hair, too tired from the day's events to genuinely protest trying to give a history lesson to the other. They would be astonished at the other listing off names of gems if it hadn't been for their teacher mentioning that ancient beings used to have jewelry composed of similar materials.

So, they just let out another sigh. ]

But yes, we are called 'gems'. You're correct in saying that there are Diamonds among us, though I'm not one. [ Their eyes open to study the other, trying to measure their words carefully. ] Your civilization probably uses similar materials for decoration, right?

We are like those materials, but living.