which necklace?

Ksahlberg

which necklace with Nicole Miller HG0013 dress? We're going for a casual affair and my dress is "oyster" color (almost champagne). Will pearls look okay or should I go an entirely different route?
Chunky pearls or a more vintage/delicate knotted pearl necklace?
(clicky) http://www.thisnext.com/item/43EA749C/Women-jewelry-Mini-knotty
stella & dot:
J. Crew knotted
j. crew