Just saw an older article from Star mag. that says just a few days before the committment ceremony on the 28th, they were looking at a $10,000 ring and that they were trying to get it for free, but they ended up buying it. So now I dunno about them being broke. Although they probably just had to make some sort of initial payment on the ring - then they may have skipped out on the rest of the balance - seems their M.O.
It was 10-karat, but I don't know the cost - might have it somewhere.
Did they ever buy it?
I have yet to read or hear that the ring was ever purchased.