The Mineralogy of Pink Diamonds

You may have heard of Argyle diamonds before. They’re pretty rare, and they’re also very special. The gem has an intense pink colouration. It can range from a light, almost-white shade to a vivid hue that almost looks red at times. The term “intense” refers to how pure or potent the hue is; the higher its intensity rating, the more refined or strong this colour will appear in nature (and, therefore, on your finger). Here are some things to know about Argyle pink diamonds and other pink diamonds.

Colour Origins

Trace amounts of nitrogen cause the colour of pink diamonds. While this might seem obvious, it’s not always the case. Many other diamonds look similar to pink diamonds, even some that look more like a true red diamond than a pink one.

These other stones are created in much the same way as their more common “pink” counterparts. The difference between them comes down to how they were formed and what minerals they contain—and those can vary widely depending on where each stone was found!

This means that even if you find yourself with a specimen that looks nothing like what you expected, don’t panic! There are plenty of options; just ensure you get expert advice before making any purchases.

Argyle Pink Diamonds

Argyle pink diamonds are mined in Australia. They are mined in the Kimberley region of Western Australia, near the Northern Territory border. This area is known as the Argyle Pink Diamonds Mine and is considered one of the most prolific diamond mines on earth. The mine has produced over 70 million carats worth of rough pink diamonds since it opened in 1990!

Fancy Intense Pink Diamonds

Fancy Intense Pink Diamonds are very rare. They are also very expensive and beautiful, but they are even harder to find than other fancy coloured diamonds (the same applies to all fancy pink diamond types). Most of the world’s supply of Fancy Intense Pink Diamonds comes from Australia or Tanzania; South Africa is not known as a producer of this colour of diamond at all!

The most famous example of a Fancy Intense Pink Diamond is The Oppenheimer Blue—it weighs 19.68 carats and has been valued at up to $150 million! This stone is named after Sir Philip Oppenheimer, who purchased it in 1976 for $5 million (around $20 million today). He later sold it privately to Sheikh Rajiv Singhvallabhbhai Patel for $35 million in 1994–1996 – an increase of about 1000% over its original price tag!

Rare Fancy Vivid and Deep Purplish Red Diamonds

The Argyle mine is the only source of these diamonds, which come in various colours, from pink to red. They’re extremely valuable and are regarded as some of the rarest coloured diamonds on earth. Pink diamonds are rare, special and valuable. They’re also beautiful! The chemical composition of pink diamonds makes them highly desirable for collectors and jewellers alike. This rarity also translates into their value; the more unique a diamond’s colour or patterning, the higher it will be valued by professionals in the industry. Pink diamonds are extremely rare compared to other colours of a diamond—it’s estimated that less than 1% of mined rough is pink (with most at 0%).


Pink may be an often underrated colour for many people (particularly men). Still, there’s no denying its attractiveness when you see it next to your skin tone or another shade of pink clothing or accessory you already have on hand. It’s one thing about this colour: unlike other hues that can appear harsh against certain complexions (think reds), pinks tend to complement everyone and make everyone feel pretty good too!

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