carbuncle

Mr Venturi's design was chosen following the cancellation of a proposed extension to the National Gallery, famously derided as a "monstrous carbuncle" on Trafalgar Square by Prince Charles.

Watching Donald Trump speak is like watching a festering carbuncle explode in a spray of pus and blood.

He disdained a proposed addition to London’s National Gallery as “a monstrous carbuncle on the face of a much-loved and elegant friend.”

Some of the casualties: a planned extension to the National Gallery, which Charles compared to a “monstrous carbuncle”; a Mies van der Rohe-designed building that he called “a giant glass stump”; and three projects by Richard Rogers, the modernist architect who died in 2021.

For those keeping count, that’s 345 rose-cut aquamarines, 37 white topaz, 27 tourmalines, 12 rubies, seven amethysts, six sapphires, two jargoons, one garnet, one spinel and one carbuncle, which is not to be confused with a carbuncle, a type of abscess.