danielxlin|1431709220|3877128 said:http://www.dolgins.com/buying-a-ring/
This page is pretty good for shape descriptions of the outside and inside of the shank, and the various tapering terms.
Klass does beautiful floral-inspired solitaires. Platinum petals!
P.S. I love the top Vatche. Cathedral but not set too high. 6 prong elegance.