What You Need To Know About Pink Diamonds

Other than their colourless cousins, the famous pink diamonds are one of the earth’s greatest treasures. However, the rare mineral attracts different prices with regards to the size, colour and clarity. The discovery of pink diamonds happened in the 1970s in an Australian firm upon which mining started four years later. Note that, according to the current market rates, these pink diamonds tend to fetch up to a whopping $3 million per carat.

Natural pink diamonds tend to fetch more from their rich vivid-colours, and their rarity which goes hand in hand with their beauty. Their laboratory counterparts, however, are quite different as respective manufacturers find it hard to produce a replica of the natural pink coloured diamonds.

Thanks to brand recognition, Argyle diamonds are prime, says Graeme Thompson, the chair of jewellery at Philips.

How Pink Diamonds are formed

How Pink Diamonds are formed

Many mysteries try to explain the very existence of these pink diamonds. This precious mineral is formed under extreme conditions form deep inside the earth mantle. After specific set temperatures and pressure, they come out rough as volcanic eruptions via mined kimberlite pipes, a perfect explanation behind the high prices of pink diamonds.

To fill the demand for pink diamonds, some experts took it to the laboratories. It occurs through chemical synthesis, high pressure and temperature influx.

Where do Pink Diamonds come from

Where do Pink Diamonds come from

Pink diamonds exist in Canada, Russia and Tanzania and other places. However, the lion’s share of the pink diamond originate from Argyle diamonds located in Western Australia.

The Argyle mine has been in the business of supplying diamonds for over 40 years. Coming by gem-quality diamonds through the mining process is not a walk in the park as less than a carat out of a million passes the test. It goes to Argyle Pink Diamond Tender, an exclusive diamond selling event held annually.

What brings about variance in prices of the pink diamond?

  • Size
  • Colour
  • Clarity


Similar to colourless diamonds, the bigger the mineral, the more the value. You find that with the coloured diamonds, it is not easy to come across the larger stones, more-so, pink ones. Jewellery exceeding 20 carats are scarce to come by. It is the scarcity of this stone that makes it fetch a high value in regards to the respective size.

Why do I say this? Side to side with The Martian Pink, The Williamson Pink is one of the biggest round pink diamonds sold with the size of 23.6-carat certainly making it an investment diamonds.


The colour pigments and the colour intensity contribute a great deal to the rarity of the pink diamond. Pink diamonds come in pure pink but also consist of traces of other hues. Typically, for a high market value, a diamond’s colour should be as pure as possible.

In addition to that, the intensity of the colours matters. Different diamond stones have different shades of colour as one could either be dark pink or pale pink. The more intense the colour is, the higher value it reaches as this makes it rare. For example, The Graff Pink made up of only 24.78 carats but has a noticeable high pink colour intensity. As a result, it merits among the high ranking investment diamonds in the world.


The internal view of the Australian pink diamond is flawless. A diamond expert ought to tell apart coloured diamonds from colourless diamonds with reference to the colour intensity.

For instance, the inside of The Steinmetz Pink is crystal clear in addition to being large. The most revered fact about diamonds is not the fact that they are the hardest stone but their unspoken clarity.

Amazing Facts about Natural Pink Diamonds

Amazing Facts about Natural Pink Diamonds

The scarcity of these Australian pink diamonds is what makes them intriguing. Their glamour comes from their controlled supply and their mysterious existence. Some of the fascinating facts about the pink stone include:

  • Originate from Australia
  • They are differently formed
  • They are rare
  • More difficult to polish
  • The mystery behind their colour
  • They are not equal
  • Highly valuable

Originate From Australia

Basically, more than 90% of pink diamonds are processed and produced in Australia. Argyle diamonds are world-wide known for their exemplary diamond mining. Remarkably, South Africa, Russia and Brazil also reported diamond discoveries.

Funny enough, only 1% of argyle diamonds are pink, making them a scarce mineral stone. 80% of diamonds mined in Australia are alluring.

They appear differently

Other than the kimberlite pipe, the host to most diamonds in the world, pink diamonds get obtained differently. Obtaining is done from a lamproite pipe.


The natural pink diamonds are rare as they are phenomenal. From the said estimations, only close to 5oo gems containing pink diamonds are pending discovery.

Difficult to polish

Pink diamonds are more technical than the colourless diamonds. Subsequently, they require three to four times as much care and polishing.

Their mysterious colour

There are approved facts that explain how other coloured diamonds got their pigmentations. With pink diamonds though, it is all surmise. Plastic deformation is one of the most common theories that seek to explain how the pink hue comes about.


Just like other coloured diamonds, pink diamonds come in various shades. From fancy light to fancy vivid, you find that the more intense the colour, the higher the price. When a natural pink diamond, rich and pure pink in colour, it is regarded as fancy vivid pink therefore more expensive.

Pink diamonds mostly have a secondary hue, sometimes referred to as purple-pink. The point is that you will never come across two pink diamonds that look alike.


Pink diamonds are the most expensive diamonds and may cost up to 20 times the cost of the subsequent white diamond. As per Argyle Mine, a carat goes for $100,000 to $1,000,000. The price difference is affected by the size, colour and clarity.

The Australian pink diamonds are hard to come by and that what makes them so valuable. You will be astounded by how much sums of money the rich put to own argyle diamonds. The very fact that most people sought after this state-of-the-art stone is why it is considered an investment diamonds. For more information about pink diamonds or if you are looking to start or expand your investment portfolio, contact Argyle Diamond Investments today.

Argyle Diamond Investments Pty Ltd are Australia’s largest supplier of Australian certified pink diamonds and have exclusive use of the Australian Pink Diamond Analytics program. This program is a data driven decision maker that tracks and statistically analyses the rarity, financial growth and value of all investment grade pink and blue diamonds. With this valuable information, Argyle Diamond Investments Pty Ltd can offer all clients an investment grade pink from $5,000AUD up. But, the highest growth diamonds, are the larger, stronger colour pinks starting from around $20,000AUD plus.


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