Kim Kardashian's leftovers are worth over $600,000!

The 32-year-old's engagement ring from husband of 72 days, Kris Humphries, hit the auction block at Christie's today in NYC.

Though the bidding for the big bling started at $200,000, an anonymous buyer spent $620,000 for the splashy accessory. Us Weekly reports that, after Christie's markup, the ring will end up costing this person $749,000.

Of course, that's nowhere near the reported $2 million Kris spent on the Lorraine Schwartz ring, which is set with a 16.21-carat diamond and flanked on both sides with a trapeze-cut diamond, each weighing an additional 1.80 carats.

"He [Kris] has long-since moved on and is very much looking forward to a successful auction at Christie's on Tuesday, and of course to returning to the court this upcoming NBA season as a Boston Celtic," Humphries' rep said of the sale last week, confirming that the basketball player did indeed put the ring up himself.

Kris will donate a portion of the sale to charity.

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