My husband purchased my engagement ring and together we purchased a custom wedding band from Moissanite Co. The only thing that went wrong with the purchase of my engagement ring was that it shipped a few days later than expected.
We couldn't find a wedding band that went well with my engagement ring so we contacted a sales person to modify one of the bands on their website to a curved shape to accommodate the center stone. He quoted me and we took a few days to think about whether we would like to purchase it. We decided to go ahead and make that purchase so we emailed him back. He did not respond for another week so I was very nervous we wouldn't get it in time for the wedding!! He responded saying that he was waiting on the engineers to tell him whether or not the curved style would work with the design. He did eventually get back with us and we placed our order and got the band the week of the wedding.
The product quality for Moissanite Co. jewelry is excellent. The correspondence was all online- either with customer service chat or email so that was moderately hairy at times but other than that, I have no complaints.