Alas, I have to crush your dreams--this (http://bones-daily.com/photos/displayimage.php?album=554&pid=115798#top_display_media) was the necklace he complimented in "The Foot in the Foreclosure" & this (http://bones-daily.com/photos/displayimage.php?pid=151637&fullsize=1) was the one she wore for Date Night.

*edited to add: P.S. check out the cleavage. She so did that on purpose.