Diamond 1 has a large dark inclusion around the 6 to 7 o'clock area in the video and so may not be eye-clean. Could be possible to cover with a prong? F color is good but I personally don't like the cut and the crown looks too flat to my eyes.
Diamond 2 says it is sold. OP did you put this one on hold? I prefer the proportions of this one but it is possible to order a far better cut super ideal H SI1 at BGD for less though, so I personally would do this instead.
I did put the second on on hold. Both are ideal cut on the site with excellent cut grades. I followed the recommended specs for round diamonds: table within 54-57%, depth within 59-62.6%, crown 34-35 and pavilion: 40.6-40.9, HCA score 0-2.
Could I ask how to further evaluate a diamond beside all the above?