top 6″ diameter, 3″ height and the bottom 8″ diameter, 5″ height.

6″/8″ (4″ tall tiers): $970 (2022; $500 for flowers)

On a 5″/7″, this cake prices out to $665.
On a 6″/8″, this cake prices out to $685.
On a 6″/9″, this cake prices out to $710.
On a 8″/11″, this cake prices out to $875.

This pricing is just for both tiers as 4″ tall, by the way (updated!!)