As always, if it worked for your marriage, it worked, but many of us can sniff out a fake from across the room. And it will always look tacky and cheap and she will be wearing it, in theory, the rest of her life.
I have visited exactly one jeweler in my life that set man made stones into quality precious metal settings. Every moissanite I’ve seen has been in the same plated stuff that gets cut glass or cubic zirconia or the like.