It isn’t bead set, but it is channel set.
here’s the vendor pics that are
clearer so you can see the details easier
I do not know the individual stone mm sizes, I’m sorry
But I can tell you via listing info: the ring height is 3.6mm (from top of finger) and the width (face up view) is 3.7mm, on a size 7.5.
Thankfully for my wallet - I do not enjoy the feel of that ring height for a full/half/three qtr eternity, between my fingers - so the tapered design is what I need