I made a very stupid financial decision last night and I'm not sure what to do. Maybe this isn't the right sub, but I could use some help.

I recently decided to start looking at engagement rings and I should say, I know nothing about rings or diamonds. I had planned to go into a local jewelry shop that I had previously had a custom piece made, but on my way home, I noticed that a nationwide TV show that's based here, was having a "blowout" sale.

I thought it couldn't hurt to run in and check. I walked around for a few minutes before asking an older gentleman if they had any engagement rings saying, "I don't know anything about rings.". He said they had only one and it was $1200, if that sounded good to me. I agreed if it was a nice ring. So he finally found it and my first impression was not great, only because it was a solitaire, but I thought I could have it reset in a new ring.

He said it was originally $2500 and that it was a "J-K" grade which meant it wasn't completely colorless. It was dimly lit, but the ring was pretty nice. 1.05kt and 14kt white gold. I thought about it for a few moments and agreed to buy it. He told me to bring it by their store the next Monday to get a box and have it cleaned.

I got home and noticed a rather large spot in the diamond and at first thought it was a chip/crack in the side. Turns out it was a large inclusion. Then I noticed written incredibly small am I2. I'm still pretty mad at the man for not telling me about the inclusion, but I can't be more mad than at myself for practically impulse purchasing such a large investment.

My question is, do I have a right to go talk to this man to see if they can help me out in possibly getting a new one? Or should I try and sell it to get my money back. It's a nice ring, but I don't want an inclusion. I feel like an idiot for buying this and can't help for thinking I was taken advantage of.