The 16.21-carat Lorraine Schwartz diamond ring had been estimated, pre-sale, to go for between $300,000 and $500,000. It sold in the last lot in the "Magnificent Jewels" auction at Christie's on Tuesday morning.
A Christie's spokesperson said, in a statement:
[The ring] saw active participation in the room, on the phone banks, and from Christie's LIVE. This impressive diamond ring was sought out by two bidders in the back of the room, one online bidder, and was ultimately won by a bidder on the phone.Humprhies and Kardashian were wed in August of 2011, just a few months after they were engaged. By that Halloween, she had filed for divorce.
The divorce was finally finalized on June 3, 2013. That was just two weeks before Kardashian gave birth to her daughter North, who was fathered by her current beau, Kanye West.