The Argyle Pink Diamonds Tender is being showcased in Perth, Singapore, London and New York.

LJ West Diamonds gave them a 16.78-carat natural yellow diamond to experiment with.

Namdeb, which unsuccessfully explored a variety of options to extend the life of its Elizabeth Bay Mine beyond 2019, ceased operations in September 2018.

The permission covers diamond-bearing gravels at the Marsfontein mine, which is next to the company's own Thorny River project.

Zimbabwe expects to produce 4.1 million carats of diamonds this year, up from 2.8 carats in 2018.

This was the company's second lowest monthly sales figure this year.

Osisko and certain of the secured creditors have also agreed to supply an initial C$20 million of working capital to Stornoway.

The Argyle Pink Everlastings™ Collection will be tendered alongside the annual Argyle Pink Diamonds Tender in Perth, Singapore, London and New York.