Ultra rare pink Australian diamonds are expected to sell for millions of dollars at an upcoming auction.
The diamonds have generated interest among buyers as they were sourced from the Argyle site in Western Australia, which is the largest diamond mine in the country which plans to close it by 2021. 
This Argyle pink diamond necklace (pictured) will also be put up for bidding on Sunday
This Argyle pink diamond necklace will also be put up for bidding on Sunday
‘We expect there to be some fierce bidding come auction day in a couple of days time in the bid to win these unique, highly desirable and collectable pieces,’ Head of Fine Art and Antiquities for Lloyds Auctions Amanda Benson said.
The Argyle mine turns out less than 0.1 per cent of the world’s diamonds, though its gems are world renowned.
Earlier this year, an incredible 28 carat ultra-rare white diamond (pictured) was discovered at the site
Earlier this year, an incredible 28 carat ultra-rare white diamond was discovered at the site. General manager of Argyle Diamonds, Andrew Wilson, said: ‘Argyle Octavia is unique in its size, shape and beautiful provenance.’
The diamonds have generated buzz among bidders as they were sourced from Argyle - Australia's largest diamond mine in Western Australia
The diamonds have generated buzz among bidders as they were sourced from Argyle Australia’s largest diamond mine in Western Australia.
Source: DCLA