(CNN) Paris Hilton got engaged on a snowy mountaintop in January and though it didn't work out, she said she's keeping the ice.

The heiress-turned-reality star and entrepreneur recently appeared on Jenny McCarthy's Sirius XM show and talked about the fate of her 20-carat pear-shaped engagement ring that reportedly cost $2 million.

"The person who we got it from got millions and millions of dollars of free publicity," Hilton said. "I love how social media has basically become a new form of money. Yeah, it's pretty sick."

Hilton announced last month that she and model-actor Chris Zylka had split.

She explained what went wrong while on "The Talk."

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