[ams6110]

GP was point out that Diamond's first name is Rebecca, so "she" is almost certainly the correct pronoun in this case.

[gaius]

If I heard someone referred to as "Diamond" in this context, I'd immediately assume the very famous author Jared Diamond.

[nostrademons]

Jared Diamond was my first thought as well, but this is a very good example of why it's important to RTFA.