It probably varies by country, but in the SF Bay Area, the general rule is 3x monthly salary. So, if the guy makes $5k a month, the ring should be about $15k. Size varies a lot with quality of the diamond. You can get a low grade one-carat for $2k or a high grade carat for $12k.
I found that blue nile has the most selection of styles. You can always pick out the style you like from there and send your bf a link :-)posted about 3 years ago
Everybody is different, some prefer to pick out their own ring and some like surprises. There are people with jewelry-phobia, a writer from BUST magazine end up getting married without a ring because she hates all kinds of jewelries (like how people hate spiders and clowns).
There are non-diamond wedding rings that are on the market, like pearls and/or sterling silver. Some couples are practical and like to live modestly.
I remembered when Mark Zuckerberg and Priscilla Chan got engaged— there were people who threw a fit over Priscilla’s ruby ring on how “plain” it is. I thought it looked fine, I guess society isn’t okay with that.
Honestly, I think it just boils down to the couple/ individual. I specifically told my boyfriend that I don’t want him to spend on a diamond ring (personal moral reasons and I’m a cheapo). I’m into simple sterling silver rings that one can find on Etsy or some geeky girl web-shop sites.
I really like this Sailor Moon sterling ringposted about 3 years ago