[therealpygon]

You don’t generally just throw gold in a box truck… it typically moves by armored freight.

[bruckie]

The Hope diamond was famously transported by... USPS.

"The postage cost him $2.44, plus $142.85 for $1 million worth of insurance." —https://about.usps.com/who-we-are/postal-history/hope-diamon...

[oasisbob]

Maybe in some volumes, but I think most people would be shocked by the overall volume of gold that moves by UPS in small brown boxes.