The Australian Broadcasting Commission (ABC) has just posted an item about a stunning collection of the very rare Argyle pink and red diamonds which will be offered for tender. They are among the last of these diamonds from the mine in the East Kimberley, Western Australia.

https://www.abc.net.au/news/rural/2019-07-13/rio-tinto-argyle-pink-diamond-tender/11297510

For non-Australian readers the reference to the collection being "launched on Country" means that the launch is in/on land where the Gelganyem people are the traditional owners.