What is the grade of this 16ct Colombia Emerald?

[chrono]

Just FYI, the stone is shallow at 60% and the window is equivalent to the size of the table itself. Some people aren't bothered by it, some people are.

 

[AllAboardTheBlingTrain]

I’m no help, but it’s a stunning ring. I would also prefer the diamond to an emerald, but if you can swing both… I would do both