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NATURAL FANCY PURPLE COLOURED DIAMONDS
Coloured diamonds – also referred to as “fancy diamonds” – are a rare and mesmerising type of natural diamond found in a spectrum of remarkable shades. In the world of diamonds, rarity often determines value, and fancy coloured diamonds are far less common than traditional white diamonds.
Only around one in every 10,000 diamonds naturally develops with a fancy colour, making them some of the most prized and sought-after gemstones available. These diamonds occur in a wide variety of colours – from popular pinks and yellows to the exceptionally rare blues, greens, oranges, and purples.
Unlike colourless diamonds, which are valued for their lack of colour (graded on the GIA’s D-to-Z scale), fancy coloured diamonds become more valuable as the depth and vibrancy of their hue increases. These diamonds sit beyond the Z scale, with the most vivid examples being especially rare and valuable.
There are 12 primary colour categories, over 90 secondary hues, nine intensity levels, and more than 230 potential colour combinations. Many fancy coloured diamonds have blended tones due to secondary hues such as grey, brown, or pink. The most desirable diamonds are those with rich, vivid colouring, strong saturation, and minimal dilution.
Among these, natural fancy purple diamonds stand out for their romantic allure and intriguing formation. While generally rarer than black or yellow diamonds, high-quality purple stones with deep, even colouring are among the most collectible and visually striking.
One of the most well-known examples of a purple diamond is the “Royal Purple Heart” – an exquisitely cut, 7.34-carat fancy vivid purple diamond celebrated for its symmetry and intensity.
PURPLE DIAMONDS
Fancy purple diamonds are unique among coloured diamonds. Their signature purple hue is typically the result of lattice distortion during the diamond’s formation, which alters the way light passes through the crystal. This natural process produces tones that range from lavender and lilac to plum and deep violet.
In some cases, purple diamonds may display secondary colours such as pink, red, or grey. These stones are often referred to as "purplish pink" or "greyish violet", depending on the dominance of each hue. Pure purple diamonds, however, are extremely rare and highly coveted by collectors.
Unlike colourless diamonds, which dazzle with brilliance, purple diamonds enchant with their richness and romantic depth. Their soft yet luxurious colouring makes them an elegant choice for fine jewellery – especially for those seeking something truly distinctive.
While some purple diamonds are found in Canada or Siberia, the majority originate from the Argyle Mine in Australia, which ceased production in 2020 – making natural purple diamonds even more exclusive.
GRADING OF NATURAL FANCY COLOURED DIAMONDS
Grading coloured diamonds requires a specialist approach due to the complexity of hues and intensities. The Gemological Institute of America (GIA) is the foremost authority on diamond grading and uses a combination of printed references and master stones to assess colour.
Unlike white diamonds, which are graded for their lack of colour, fancy coloured diamonds are graded for hue and intensity. Purple diamonds, in particular, are evaluated for primary and secondary colour presence, uniformity of tone, and depth of saturation – all of which significantly influence value.
The GIA grading report for purple diamonds will note:
- Whether the colour is natural or treated
- Dominant hue and modifying tones
- Colour evenness across the stone
- Surface finish and optical appearance
At Rêve Diamonds, we offer only 100% natural fancy purple diamonds, all GIA-certified to confirm authenticity and natural colour origin.
WHY CHOOSE RÊVE DIAMONDS
At Rêve Diamonds, we are proud to present an exceptional selection of natural fancy coloured diamonds – including an elegant range of natural purple diamonds. By sourcing and polishing our diamonds in-house, we eliminate the middleman and pass the savings directly onto our clients.
Whether you’re looking for a bespoke engagement ring, a distinctive pendant, or a one-of-a-kind piece of jewellery, our expert jewellers are here to guide you every step of the way. Book a private consultation – online or in person at our London showroom – and explore our full inventory of certified coloured diamonds.
SPEAK TO AN EXPERT
If you’re in search of a natural fancy purple coloured diamond, our jewellery specialists are here to help. Contact us with your questions or book an appointment at our London showroom. You can also reach us via the Live Chat or WhatsApp for friendly, expert advice.
Frequently Asked Questions About Fancy Purple Coloured Diamonds
What is a fancy purple diamond?
A fancy purple diamond is a natural diamond that displays a purple hue, typically caused by lattice distortions during its geological formation. Shades can range from lavender to plum and violet, often with pink or grey undertones.
Are purple diamonds natural?
Yes, purple diamonds can occur naturally, though their formation is extremely rare. At Rêve Diamonds, we only offer GIA-certified natural purple diamonds that have not been treated or colour-enhanced.
What makes purple diamonds different from other fancy coloured diamonds?
Purple diamonds are formed differently from most coloured diamonds. Their hue is due to crystal distortion, not trace elements. They may also exhibit subtle secondary colours, which can affect both their appearance and classification.
Are fancy purple diamonds valuable?
Yes, natural purple diamonds are among the rarest and most valuable coloured diamonds – particularly when they have strong, even colour and minimal undertones. Their exclusivity and beauty make them highly desirable for collectors and investors.
Are purple diamonds a good choice for engagement rings?
Absolutely. Purple diamonds offer a romantic and unconventional alternative to traditional stones. Their subtle colour complements a wide range of settings, including platinum, white gold, and rose gold.
How can I tell if a purple diamond is natural or treated?
Always request a certificate from a reputable gemmological authority such as the GIA. This will confirm whether the purple colour is natural or the result of artificial enhancement.
Are purple diamonds a good investment?
Yes. Due to their rarity, especially in untreated form, fancy purple diamonds are increasingly viewed as a smart long-term investment. Their value continues to rise as availability declines.
How should I care for a purple diamond?
Like all diamonds, purple diamonds are highly durable, but we recommend cleaning them gently with a soft brush and mild soap. Avoid ultrasonic cleaners, and have your setting checked by a professional once a year.
Explore Our Collections
Purple Coloured Diamonds
Purple coloured diamonds are prized for their natural formation, alluring tone, and exceptional rarity. At Rêve Diamonds, every purple diamond in our collection is 100% natural and GIA-certified, ensuring authenticity and unenhanced origin.
Our purple diamond education pages are designed to help you understand the unique qualities of these extraordinary gems and guide you in selecting the perfect stone for your jewellery vision.
With our online diamond search tool, you can filter our selection by shape, size, cut, clarity and more – to find the purple diamond that matches your exact preferences. From elegant engagement rings to bespoke heirloom creations, the possibilities are limitless.
