Folks, I've searched high and low, and can't find Emma's white necklace anywhere. I'm venturing a guess that it's a) vintage or b) handmade for the show. I did, however, find these great baubles on my journey!
Kenneth Jay Lane Large Beaded Necklace at theoutnet.com $82.50
Huge Classic Acrylic Necklace by vintaggge on etsy $12