Is this worth looking at for a center stone?
http://www.dimendscaasi.com/diamonds/4.01-carat-j-color-si1-clarity-excellent-cut-round-diamond-Sku-lg556391
http://www.dimendscaasi.com/diamonds/4.01-carat-j-color-si1-clarity-excellent-cut-round-diamond-Sku-lg556391