Its a $15 tungsten carbide ring from amazon. I'm a forgetful person who isn't used to wearing rings. I wanted to make sure if i lost the ring it wouldn't be a big deal. I actually have 2 backups i keep in a box at home for replacements. (haven't had to use them yet though)
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To my wife and i, even though her rings were considerably more then mine, the value of the ring doesn't not correlate to out love fore one another. The best answer is to just get what he like and forget about the cost (as long as it is within budget)
i got my husband a tungsten one in brushed metal or something from amazon for $12.
edit: with link