Pearls on Beyonce's Met Ball dress?

[LtypeI]

I just saw an article saying that the pearls on Beyoncé's dress at the Met Ball last night cost $6,000 each, so of course I immediately started examining all the pics I could find. They don't show all that well but they appear to be a peachy or pinkish color, and aren't particularly huge. Maybe conch pearls? Does anyone know? I'm curious now

 

[NacreLover]

That is one ugly dress.