
The Argyle Everglow is a 2.11-carat radiant shaped Fancy Red diamond. This Fancy Red diamond is the one of largest of its kind to have ever been found.

These "hero" diamonds include two Fancy red, a Fancy Purple-Pink, a Fancy Deep Pink diamond and a Fancy Deep Gray-Violet diamond.

The Argyle Everglow, a 2.11 carat radiant shaped Fancy Red, will be the highlight of the sale.

The October sale will include five "hero" diamonds selected for their unique beauty.

The 2.42 carat Fancy Purple-Pink Argyle Avaline and the 1.14 carat Fancy Red Argyle Isla.

The 2017 Argyle Pink Diamonds Tender will offer a choice of 58 diamonds weighing a total of 49.39 carats.

Scroll through the gallery for record-breaking diamonds. Last year, new auction records and high-profile sales suggested that demand for the world's rarest and most unusually-colored stones has never been greater.

"Diamonds: Rare Brilliance," an exhibition at the Natural History Museum of Los Angeles County, highlighted four beautiful stones, including the Argyle Violet, owned by L.J. West Diamonds Inc. of New York.

The Juliet Pink from South Africa is also from L.J. West. This rare Fancy Intense Pink weighs whopping 30 carats and is set in a necklace.

The Victorian Orchid, a Fancy Vivid Purple, appears more pink or more purple depending on your perspective.

The Rainbow Necklace features differently colored stones, including extremely rare blue-gray diamonds.

The Oppenheimer Blue, the world's largest blue diamond, sold for $57.5 million at Christie's Geneva on May 18, 2016, making it the most expensive diamond ever sold at auction.

The 14.62 carat Fancy Vivid stone is mounted on a platinum ring and flanked on either side by a trapeze-shaped diamond.

The Unique Pink is the largest Fancy Vivid pink pear-shaped diamond ever to be offered at auction.

The diamond was sold for $31.6 million by Sotheby's at an auction in Geneva in May 2016. The price makes it the most expensive Fancy Vivid pink diamond to sell at auction.

A rare Fancy Vivid Blue diamond ring valued at $25 million will go up for auction on November 16, 2016. The diamond is known as the Sky Blue diamond.

The Aurora Green is the largest Fancy Vivid green diamond ever sold at auction. The stone went under the hammer on May 31, 2016 at Christie's auction house in Hong Kong, selling for $16.8 million.

Sotheby's auctioned this 9.54 carat ring it says belonged to child star Shirley Temple on April 19, 2016. Though it was expected to fetch between $25 million and $35 million, it failed to sell.

In April 2016, the De Beers Millennium Jewel 4 broke auction records in Asia.

The stone sold for $31.8 million, making it the most expensive piece of jewelry sold at an auction in Asia.



