...i never knew, thanks for the info...besides i doubt my dh would have been proud to get my ering from costco..yikes.
Just for your info, I'm not sure if it's true that all Costco jewelry is fake now, but it wasn't true 15 years ago. I actually wear a diamond from Costco since it's the very first diamond ring my dad bought for my mom, and she gave it to me. They were pretty poor at the time and it was what he could afford. It's definitely real according to the jewelers who have cleaned it over the years, and it honestly looks like any other diamond, pretty and sparkly. Plus it's got sentimental value way above any monetary value!

To answer the question, like most of the ladies here I think the average depends on where you are and who you hang out with. Of the women in my family it's like 2-3 carats, some of which are upgrades, but my friends who got married young like me generally have about a half carat.