Help Identify Cut of Diamonds

[gammasunray]

Hello I'm new.
Is it possible to identify 2 rings in the picture? Is the index finger ring a diamond set in an emerald cut? What approx weight is the stone? Is the ring finger stone a canary brilliant diamond (deep yellow or fancy vivid)? or possibly a yellow sapphire? And what cut would this ring be? Cushion shape? I thank you and would appreciate any help!
From Florida,
gammasunray

 

[Garry H (Cut Nut)]

The white diamond ring is an emerald cut with 4 baguettes and 4 rounds on the corners I think,
The yellow diamond grading by photo of a video is really not helpful. And the stone has some ugly dark zones me thinks?