"I'm no rabbit but 10 carats looks good on me!!" Let the hating begin??????? Let's go!!!!! *Wink*," Tweets Lozada, who includes a photo of a big ring on her wedding finger.
Their reps are mum on the subject, but a source tells PEOPLE that Ochocinco, who met Lozada through Twitter, sent a text on Tuesday "to say he was off the market."
Ochocinco apparently bought the ring from Jason Beverly Hills. According to a rep for the jewelry company, "Chad called up Jason, 'I've got four or five days. I need a ring. I need something amazing.'"
Adds the rep, "He wanted something out of this world ... Chad had a lot to do with the look of the ring, the cut, the design ... they did the delivery in Cincinnati."
Ochocinco is known off the football field for his ballroom skills on Dancing With the Stars last season. The athlete and his partner Cheryl Burke were eliminated during the show's semi-finals. He also had his own VH1 reality show called Ochocinco: The Ultimate Catch.
This engagement would be a first for Ochocinco. Lozada was in a previous relationship with basketball player Antoine Walker.
With reporting by KATE COYNE