A delightful, eccentric street poet, showman and 18 carat national treasure who looks far more comfortable in his own skin now then he did all those years ago.

Source: https://www.heraldscotland.com/news/homenews/23642337.pulp-trnsmt-glasgow-concert-boring-without-audience/?ref=rss

Among the other historic, bejeweled items involved will be the golden Sovereign’s Sceptre with Cross which holds the 530 carat Cullinan 1 diamond, also known as the Star of Africa and the world’s largest colorless cut diamond.

Source: https://globalnews.ca/news/9676242/world-leaders-king-charles-coronation/

I’ll let Tiffany’s nerd out here, but in short, it’s down to color, clarity, cut and carat (i.e., size).

Source: https://techcrunch.com/2023/04/13/sample-series-a-pitch-deck-diamond-standard/

It consists of 25 graduated brilliant diamonds with a 22.48 carat diamond pendant, known as the Lahore Diamond.

Source: https://metro.co.uk/2023/05/06/camilla-queen-consort-wears-white-and-gold-for-coronation-of-king-charles-18676965/

Nowadays with lab-grown diamonds, we see people are really able to have the carat weight that you want.”

Source: https://wwd.com/accessories-news/jewelry/quiet-luxury-engagement-ring-trends-diamond-1235861130/

The answer with four homophones is: carrot, karat, carat, and caret.

Source: https://gizmodo.com/gizmodo-monday-puzzle-numbers-two-generals-problem-1850249139

This compares to $1,589 per carat in the corresponding quarter of the previous financial year, the company said.

Source: http://lestimes.com/letseng-discovers-122-carat-white-diamond/