I think i've narrowed my search down to two Whiteflash ACA stones. I'm leaning toward the first link (reserved) but wanted to know if specs wise and based on the photos there is a reason to choose one stone over the other - any expert opinions are welcome. Thanks.
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-2618019.htm
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-2618000.htm
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-2618019.htm
http://www.whiteflash.com/loose-diamonds/round-cut-loose-diamond-2618000.htm