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SEARCH NATURAL FANCY BLACK 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 orange. The most desirable diamonds are those with rich, vivid colouring, strong saturation, and minimal dilution.
Among these, natural fancy black diamonds stand out for their dramatic, opaque appearance and mysterious beauty. Though technically less rare than pinks or blues, high-quality natural black diamonds remain unique, bold, and luxurious in their own right.
One of the most famous examples of a black diamond is the “Black Orlov”, also known as the “Eye of Brahma” – a legendary 67.50-carat cushion-cut diamond steeped in history and intrigue.
BLACK DIAMONDS
Fancy black diamonds are unique among coloured diamonds. Unlike other fancy stones, they derive their deep black colour not from trace elements but from thousands of microscopic inclusions – typically graphite – that absorb light and give the stone its signature inky hue.
Unlike most diamonds, which reflect and refract light to create sparkle, black diamonds have a captivating, mirror-like surface and dramatic, glossy finish. Their bold look makes them a popular choice for statement jewellery and modern engagement rings.
Natural black diamonds are more abundant than some other coloured varieties, but large, well-cut stones of high quality remain highly desirable. These diamonds are especially popular in contemporary designs, where their striking contrast and edge set them apart.
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. In the case of black diamonds, however, the standard intensity grading scale (Faint to Fancy Dark) does not typically apply. Instead, the key grading factors include origin of colour (natural vs treated), evenness of tone, surface quality, and overall aesthetic.
At Rêve Diamonds, we offer only 100% natural fancy black 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 black 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 black 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 Black Coloured Diamonds
What is a fancy black diamond?
A fancy black diamond is a natural diamond that appears black due to a high number of microscopic inclusions—often graphite—within the stone. These inclusions absorb light, giving the diamond its distinctive dark and opaque appearance.
Are black diamonds natural?
Yes, black diamonds occur naturally, though treated or colour-enhanced black diamonds are also available on the market. At Rêve Diamonds, we only offer natural fancy black diamonds that are GIA-certified to confirm their authenticity and untreated origin.
What makes black diamonds different from other fancy coloured diamonds?
Unlike most fancy coloured diamonds, which gain their colour from trace elements or structural irregularities, black diamonds owe their colour to dense concentrations of mineral inclusions. Their surface has a glossy, almost metallic lustre, and they do not sparkle in the same way as white or coloured diamonds.
Are fancy black diamonds valuable?
Yes, natural black diamonds are valuable—particularly when they are large, well-cut, and have even colour distribution. While they are generally more accessible than rare pink or blue diamonds, high-quality natural black diamonds remain highly desirable due to their bold aesthetic and growing popularity in fine jewellery.
Are black diamonds a good choice for engagement rings?
Absolutely. Black diamonds are a striking and unconventional choice for engagement rings. Their rich colour pairs beautifully with white diamonds or coloured gemstones, and they look particularly stunning in white gold, platinum or rose gold settings.
How can I tell if a black diamond is natural or treated?
Always request a certificate from a trusted gemmological authority such as the GIA. This will confirm whether the black diamond is natural in both origin and colour. Many black diamonds on the market are treated to enhance their colour, so certification is essential.
Are black diamonds a good investment?
Natural fancy black diamonds can be a strong investment, particularly as interest in unique and alternative gemstones continues to grow. Their timeless appeal and rarity in untreated form make them increasingly sought after by collectors and jewellery lovers alike.
How should I care for a black diamond?
Black diamonds are durable but can be more brittle due to their internal inclusions. Clean them with a soft brush and mild soap, and avoid ultrasonic cleaners. We recommend having your jewellery checked annually by a professional to ensure the setting remains secure.
Explore Our Collections
Black Coloured Diamonds
Black coloured diamonds are primarily valued for the richness, evenness, and natural origin of their dark hue. At Rêve Diamonds, all of our black diamonds are naturally coloured and untreated, with their striking appearance created by the presence of natural inclusions such as graphite. Each diamond is accompanied by an official GIA certificate verifying its authenticity and confirming that the colour is of natural origin.
Our black diamond education pages are designed to help you understand the unique characteristics of natural fancy black diamonds and assist you in selecting the perfect stone for your bespoke jewellery piece.
Using our diamond search tool, you can browse our current selection of black coloured diamonds and filter by shape, carat weight, cut, and clarity. You’ll find a curated range of high-quality black diamonds suitable for everything from contemporary engagement rings to bold statement pieces.
