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Why Pink Diamonds Are a Good Investment

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26 Jun 2025 | No Comments

Pink diamonds are one of the most desirable gemstones in the world because of their rarity and value. They are also a preferred choice of jewellery collectors looking for a stable investment piece. 
Pink diamonds are renowned for their unique shade, which occurs as a result of a deformation in the stone’s crystal structure. This phenomenon is exceptionally rare, contributing to the high value and strong investment potential of pink diamonds.

The Closure of the Argyle Mine

Located in Western Australia, the Argyle Mine was the largest producer of pink diamonds in the world until it closed in 2020. Its shutdown has significantly reduced the global supply of pink diamonds, leaving no single source known for consistently producing the gemstone. With this situation unlikely to change, it makes pink diamonds an even more exclusive option and enhances their investment potential.

Pink Diamonds as Investments

Beyond their rarity, there are additional factors that add to the investment potential of pink diamonds.

Price Growth

Pink diamonds have shown a continual increase in value over a period of decades. Exact prices vary depending on the size and appearance of the stone, however, you can expect to see a substantial value increase as quickly as a decade after purchase.

Long Term Sustainability

Jewellery investments are subject to the same fluctuations as other collectable items. While the pink diamond market does fluctuate, it has proven stable historically and offers a considerable return over the long term. These factors offer peace of mind to investors, especially those looking for pink diamonds to fund their retirement.

Important Factors to Consider Before Investing in Pink Diamonds

Before choosing a pink diamond as an investment, it pays to consider the stone itself and your mindset towards purchasing a piece of such high value.

Certification and Authenticity

Purchasing from a certified source is important when buying an investment piece. This is especially true when the stone is as exclusive and valuable as a pink diamond. Most dealers will supply a certificate of authenticity alongside the gemstone, which can increase its value. 

One of the most respected authentication documents a pink diamond can carry is the Argyle Certificate. Starting in 2005, these documents were issued by the Argyle Mine to pink diamonds of a certain size up until it ceased operations. Together with an inscription on the diamond itself that is only visible under magnification, the certificate confirms that the stone originated from the Argyle Mine.

Investment Mindset

Purchasing from a certified source is important when buying an investment piece. This is especially true when the stone is as exclusive and valuable as a pink diamond. Most dealers will supply a certificate of authenticity alongside the gemstone, which can increase its value.

One of the most respected authentication documents a pink diamond can carry is the Argyle Certificate. Starting in 2005, these documents were issued by the Argyle Mine to pink diamonds of a certain size up until it ceased operations. Together with an inscription on the diamond itself that is only visible under magnification, the certificate confirms that the stone originated from the Argyle Mine.

Investment Mindset

While pink diamonds hold strong investment potential, an immediate return isn’t always guaranteed. Quickly reselling the stone won’t have as much impact as holding onto the stone and caring for it over the long term, where the benefits of increasing demand and limited supply can be maximised.

The best way to view pink diamonds, or in fact any collectable jewellery, is as an asset that can be worn and admired for their beauty and symbolic meaning. Some collectors also view them as heirloom stones, set to be passed down through generations to come.

Choose Volle as your Trusted Pink Diamond Investment Partner

Volle Jewellery has specialised in high-quality Argyle pink diamonds for over 20 years. Our staff provide trusted advice and knowledge on some of the rarest and most valuable pink diamonds on the market. We can help you choose the pink diamond that best fits your style preferences and investment goals.

Visit our flagship Sydney store to see our collection of exquisite Argyle pink diamonds for yourself.

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