diamonds = scam for idiots
let's add Luxury cars, valet parking, most supplements, most protein powders, most gym memberships, any new car, any new motorcycle, watches over $20 (they can tell time as well as a $2000 watch), universal remotes over $10, Home stereos over $400, Matresses over $200 etc etc
The list is endless and in the end, it is what value you place on any one item. I personally could care less about a diamond, but the joy and memories it and the ocassion will bring her for years to come seems to be worth it for many folks.