I'm making a 16" cake that will be 4" high. What size diamond impression mat would look best? The mats come in small, med, and large diamond size.

Anyone have any tips?

Hi
I only have one diamond impression mat. The diamonds are about 1 1/2 x 1 1/2. I don't know if this is the small or the medium. How big are the diamonds on the large mat? The biggest cakes I've used it on were a 12x12 and an 11x15 (4" high) and it looked fine. Good luck!

It depends on the look you want any of them will work on any size cake. Good luck