First Lady Melania Trump traded up the 15-carat Graff diamond engagement ring Donald gave her, for an even bigger and more expensive rock.
The president-to-be gave her a premium D-color, FL, emerald-cut diamond ring before they wed in 2005.
But the former Solvenian model, aged 50, later had the stone replaced with a 25-carat diamond, according to British newspaper The Daily Express, as an anniversary present.
Trump, famous for doing a deal, joked that he got a 50 percent discount on the original stone, though he barely needed it, with a net worth estimated by Forbes at $3.1bn.
The first stone would be worth $3m today, the newspaper reported. The second, also from Graff, the iconic London-based jeweler cost $3.5m and was a 10th-anniversary gift. It is far larger, but lower quality.
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