Looking for a wedding set from 1974. Rose w/ 1 diamond and leaves around both bands. Where can I find it ?

My mother has a wedding ring set bought in 1974 from Rodger's Jewelry in Montana. I want the same set or something close. It has one single diamond set in a rose. The band has a leaf pattern all the way around and the wedding band has the same leaf pattern to match. She said the box had "Princess" on it. Her's is silver, but she said she has seen a gold set also. Where can I find something like that ?