Looking for a half carat round for a platinum solitaire. I have it narrowed down to the following two stones. Any advice is greatly appreciated.
http://www.jamesallen.com/loose-diamonds/round-cut/0.50-carat-j-color-si1-clarity-excellent-cut-sku-480516
http://www.jamesallen.com/loose-diamonds/round-cut/0.46-carat-h-color-vs1-clarity-excellent-cut-sku-509356
http://www.jamesallen.com/loose-diamonds/round-cut/0.50-carat-j-color-si1-clarity-excellent-cut-sku-480516
http://www.jamesallen.com/loose-diamonds/round-cut/0.46-carat-h-color-vs1-clarity-excellent-cut-sku-509356