George IV, wanting a new crown for his July 1821 coronation, could not afford the cost, so he contracted with the Crown Jewelers to rent the diamonds for his new crown, at a cost of 10% of the purchase price per year, or £6,525.
The Yeoman Warder formal dress uniforms cost over £7,000 each, and are unchanged for more than 300 years, while the working uniforms last changed (with the exception of the monarch's cypher), for comfort, during the reign of Queen Victoria.