He earned the Diamond Jack moniker from the diamond-studded gold belt buckle he wore.

Source: https://www.gjsentinel.com/lifestyle/cowboy-gangster-made-sweetwater-lake-a-hot-spot-in-the-1920s-and-1930s/article_65174ce4-8992-11ee-9c08-fb18691718ea.html

He flexed his diamond-studded Audemar Piguet watch in front of the opposing fans as if to remind them that it was Shedeur time in Arizona.

Source: https://larrybrownsports.com/college-football/shedeur-sanders-taunts-arizona-state-students-colorado-win/621841

In the reflected light of Elton John’s diamond-studded lapels, aided by the hundreds of flashing pairs of Elton specs out in the arena, the end of the road – yellow brick, naturally – is in sight.

Source: https://www.independent.co.uk/arts-entertainment/music/reviews/elton-john-review-o2-arena-london-b2312939.html