On this page, you can actually see how the pieces are layed out. Looks like straight frames to me. It seems like you make a couple of rows of each variation, going from mainly color with a little white to increasing your white pieces until you have the pattern inversed, so mainly white with color.
http://www.bonjourquilts.com/diamonds-in-the-deep/ Doing a google search of this pattern and clicking on the image tab gives you pretty cool color variations that people have posted.