I think Capri's will be okay, double check w/your photog. Make sure you and your fi wear similar colors. My sister in law is a photographer and I believe she usually goes over w/her clients what works and what doesn't, that's why you're hiring someone.
If your using a friend or family member...
I'm just going through some of the readings I have that may be interesting for you to consider...
Love is Always, by Melissa Jaggard
Love is an ocean of discovery
A multitude of experiences to treasure
It is the alliance of two lives for always
Not to become one life, but to be two hearts...
I'm not sure how CA is set up on this -- but it's basically a breach of implied contract because the ring was given in anticipation of marriage.
It may depend on who called off the wedding and/or the reason.