The hope diamond? "In a blue diamond, a few carbon atoms out of a million have been replaced by nitrogen atoms, each containing five valence electrons." The background is blue, there is
diamond plating, and a big five. The hope diamond is "circular."
Diamond point cut (combining the diamond plate with the darn dot in dlavery's recent posts):
Maybe that (^--) is the shape of this year's object?
"A rhombus in the plane has five degrees of freedom: one for the shape, one for the size, one for the orientation, and two for the position."
Going along with the baseball references, there is a coalition of philadelphia college baseball teams called the Philadelphia Diamond 5 (
http://www.diamondfive.com/ ). The teams: La Salle Explorers, Penn Quakers, Saint Joseph's Hawks, Temple Owls, Villanova Wildcats. Not sure of the relevance..