Lady Diana Beauclerk ( 1734 - 1808 ) was a British painter. Lady Diana Beauclerk s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 43.63 USD for Portrait of a lady, seated on a terrace, with a dog at her side in 2004 to 4832.16 USD for PORTRAIT OF ELIZABETH, COUNTESS OF WALDEGRAVE (1760–1816) in 2015 , based on the size and med