 Argyle Spectre™ — A 1.93-carat fancy vivid purplish pink shield-shaped diamond. | Ultra-Rare Fancy Red Diamonds are among Five ‘Hero’ Diamonds Unveiled by Rio Tinto at the 2015 Tender. The 2015 Tender, known as the “Connoisseur’s Collection,” comprised 65 diamonds weighing a total of 44.14 carats.
The diamonds come from Rio Tinto’s Argyle Mine in Western Australia, and represent the company’s absolute best red and pink gems from its yearly production. |  |
 Argyle Prima™ — A 1.20-carat fancy red pear-shaped diamond. | The finest quality fancy red diamonds can easily sell for $1 million or more per carat. “This collection is one of the most beautiful in the history of the Argyle Pink Diamonds Tender,” said Rio Tinto Diamonds & Minerals chief executive Alan Davies. “This year’s Argyle Pink Diamonds Tender is testament to this extraordinary mine that continues to produce the world’s most-sought-after gems.” |  Argyle Aurora™ — A 1.47-carat fancy red oval-shaped diamond |
 Argyle Allegro™ — A 0.79-carat fancy red radiant-shaped diamond | Launched in Sydney the 2015 Argyle Pink Diamonds Tender moved on to Perth, Hong Kong and New York, with bids closing on 21 October 2015.
The Argyle Prima is the largest Fancy Red diamond of SI1 clarity seen in the tender’s 31 years, and the Argyle Aurora is the second largest Fancy Red diamond ever offered in tender history. |  Argyle Élevé™ — A 1.44-carat fancy intense pink emerald-shaped diamond |
