You all know by now that Nick Cannon and Mariah Carey are engaged… but how about this tacky alert: the engagement ring Mariah Carey’s been flashing about is actually the same ring Nick Cannon gave to his first fiance, Victoria’s Secret model Selita Ebanks.

We’re all for recycling, but don’t you think Mariah Carey is worth an original ring, Nick?

Check out the side-by-side comparison of Mariah Carey’s engagement ring to Selita’s — with a source confirming to PerezHilton.com “That IS the same ring.”