The Exquisite Rarity of Natural Pink Diamonds

Pink diamonds, with their alluring hues ranging from gentle pastels to deep vibrant tones, stand as a symbol of luxury and rarity in the world of gemstones. These gems have not only captivated the hearts of collectors and aficionados but have also become emblematic of opulence within the fine jewellery market. Unlike their more common counterparts, pink diamonds are treasures of nature whose formation requires a particular confluence of geological conditions, making them both rare and highly sought after.

The Rarity and Formation of Pink Diamonds

Pink diamonds owe their enchanting hues to a rare occurrence in their atomic structure known as ‘natural plastic deformation’ during their formation. Unlike other coloured diamonds, which get their colours from impurities such as boron or nitrogen, pink diamonds derive their colour primarily from this unique deformation as the diamond crystallizes deep within the earth. This process involves intense heat and pressure that causes some of the carbon atoms in the diamond to displace, leading to the absorption of light that produces the diamond’s pink colour.

This extraordinary process ensures that each pink diamond is unique, with the exact shade and intensity of the colour varying widely among individual stones. The rarity of these conditions makes pink diamonds some of the most unusual and precious stones found in nature. Their scarcity is underscored by the fact that they are predominantly mined in just a few locations around the world, with the majority coming from the Argyle mine in Australia, which is noted for producing the highest-quality pink diamonds.

Interesting Trivia: The Argyle mine, responsible for over 90% of the world’s pink diamonds, ceased operations in 2020, making these gems even rarer.

Where Pink Diamonds Are Found

While pink diamonds have been historically mined in several global locations, the Argyle mine in Western Australia has been the most prolific source of these gems. Since its discovery in the 1980s, the Argyle mine has dominated the pink diamond market, producing stones that are celebrated for their exceptional vibrancy and hue. However, with its closure, the future of pink diamond mining now shifts to other, less abundant sources, such as mines in Russia, Brazil, and South Africa, though none of these sources match the volume or quality of the Argyle mine’s output.

The geographical scarcity of pink diamond sources adds an intriguing layer to their legend and desirability. It heightens the allure for collectors and investors alike, who are eager to own a piece of this dwindling treasure. Each mined pink diamond increases in personal and historical value as the global supply continues to decrease.

Grading Pink Diamonds: A Detailed Look

Grading pink diamonds involves a meticulous examination where gemologists assess several critical factors: colour intensity, clarity, cut, and carat weight. Unlike other diamonds, the colour of pink diamonds is the most crucial factor and is graded based on its hue, saturation, and tone. The grading ranges from faint or light pink through to fancy deep or vivid pink diamonds, with the richer and more intense colours being the most valuable.

Clarity is another significant aspect, although the standards can be more lenient for pink diamonds due to their rarity; even stones with slight inclusions are highly prized if they possess exceptional colour. The cut of a pink diamond is tailored to enhance its colour and maximize its brilliance, while the carat weight significantly impacts its value, with larger pink diamonds being exceedingly rare.

Understanding the grading of pink diamonds is essential for any potential buyer or investor, as it directly affects the gem’s value and market demand. The rarity and unique beauty of these gems have made pink diamond engagement rings and pink diamond jewellery popular among those seeking extraordinary and meaningful pieces.

Investing in Pink Diamonds: Worth the Splurge?

Investing in pink diamonds is considered a smart financial move for those looking to diversify their investment portfolios with hard assets that not only hold their value but also have the potential for significant appreciation. Given their scarcity and the closing of major mines like Argyle, the value of pink diamonds has seen a steady increase. This trend is anticipated to continue, making pink diamonds a solid investment. Investors and collectors prize these gems for their unique beauty and the prestige associated with their rarity.

Setting Styles That Showcase Pink Diamonds

The setting of a pink diamond can significantly enhance its appearance and impact. Popular jewellery settings for showcasing pink diamonds include the halo setting, which surrounds the pink diamond with smaller white diamonds to accentuate its colour and brilliance. Another favoured style is the pavé setting, where the pink diamond is set into a band encrusted with tiny diamonds along its span, adding to the overall sparkle and appeal of the piece.

Engagement Rings Boutique, a prestigious store in Hatton Garden known for its unique collection of fancy-coloured diamonds, often recommends bespoke settings that complement the individual character of each pink diamond. Whether set in rose gold to enhance its pink hues or in contrasting white gold, each set is designed to maximize the stone’s visual impact, making it a centrepiece of attraction.

Caring for Your Pink Diamond Jewellery

To maintain the beauty and integrity of pink diamond jewellery, proper care is essential. Regular cleaning with a soft toothbrush and mild soapy water can keep your pink diamonds sparkling. It’s also important to have your jewellery professionally cleaned and inspected at least once a year to check for loose settings or wear and tear.

Storing pink diamond jewellery in individual soft cloth pouches will protect them from being scratched by other pieces. This care ensures that your valuable pink diamonds remain in pristine condition, preserving their beauty for future generations.

Pink Diamonds in Celebrity Culture

Pink diamonds have long been a staple in the world of celebrity and high fashion. Their distinct colour and rarity make them a popular choice for public figures looking to make a statement on the red carpet. Celebrities like Jennifer Lopez and Blake Lively have been seen flaunting pink diamond engagement rings, further cementing their status in popular culture as symbols of luxury and exclusivity.

This celebrity endorsement has significantly influenced fashion trends, making pink diamonds a desired accessory not only among the elite but also among the wider public aspiring to replicate celebrity style. The pink diamond’s ability to captivate a broad audience speaks to its universal appeal and timeless elegance.


Pink diamonds represent a pinnacle of gemstone luxury, combining deep historical roots with modern allure. Their rarity and unique formation process make each stone a natural work of art, highly coveted across the globe. As investments, pink diamonds offer the potential for significant appreciation, while their striking appearance makes them a popular choice for unique, statement jewellery. Caring for these gems ensures they continue to dazzle for decades, and their prominence in celebrity culture only adds to their mystique and desirability. Whether as part of a sophisticated investment strategy or the heart of a stunning jewellery piece, pink diamonds are truly a treasure of the earth, embodying both beauty and a promising financial future.


  1. Why are pink diamonds so valuable? Their rarity and unique color make them highly prized.
  2. How should I clean my pink diamond ring? Use mild soap, water, and a soft brush gently.
  3. What settings are best for pink diamonds? Halo and pavé settings enhance their beauty.
  4. Can pink diamonds be a good investment? Yes, their value tends to increase over time.
  5. Who wears pink diamond jewellery? They are popular among celebrities and collectors.

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