The Overland Park, Kan., woman posted the ad last week seeking tickets for the Dec. 1 game at Arrowhead Stadium. Some criticized her for lacking sentiment in giving up rings for tickets, but she has clarified they were from a previous marriage.
On Thursday, the woman, who asked to remain anonymous, sent an email to local media saying she had made the transaction.
"It's official! I have tickets to the game!!!" the woman said. "We met at a jewelry store so they could verify the ring was real and matched the appraisal I had provided him."
She was happy with the deal: Four tickets to the Broncos game and two tickets to the Nov. 24 Chargers game, all in section 123 near the end zone.
The buyer, 49-year-old Kansas City resident Rusty Jones, said he first learned of the ring offer last week through a story in The Kansas City Star and contacted the seller.
A season ticket holder since 1993, Jones said he and his girlfriend had started talking about engagement rings a month ago. He had tickets to offer, though not the club-level seats the woman was seeking.
Jones said the woman lost his contact information and ended up reposting the Craigslist ad. He reached out again and made a deal.
The rings were appraised at $2,800.
The seller wanted to finish the trade in time for her husband's 40th birthday earlier this week, but the family didn't get to celebrate because her daughter had to go to the emergency room with a migraine.
"I think I'll put the tickets in a card and get some balloons and dinner and celebrate his birthday tonight so he feels like he actually had one," she wrote. "He was a little disappointed in how his day turned out so it's time to make it up to him!"