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Search Gray Diamonds
Select a diamond from the thousands of certified fancy-colored diamonds in our collection.
Looking To Buy Fancy Gray Colored Diamond?
Search our inventory below or book a visit to our New York or Los Angeles Showrooms.
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NATURAL FANCY GRAY COLORED DIAMONDS
Colored diamonds — also known as “fancy diamonds” — are a rare and mesmerizing type of natural diamond that appear in a wide array of captivating hues. In gemology, rarity plays a critical role in value, and fancy colored diamonds are far less common than traditional white diamonds.
Only about one in every 10,000 diamonds naturally forms with a fancy color, making them some of the most unique and desirable gemstones available. These diamonds appear in many colors — from romantic pinks and bright yellows to exceptionally rare blues, greens, oranges, and grays.
Unlike colorless diamonds, which are prized for their lack of color (graded on the GIA’s D-to-Z scale), fancy colored diamonds gain value as their color intensity increases. These stones fall outside the traditional scale, with more vivid colors generally being rarer and more valuable.
There are 12 base color categories, over 90 modifying tones, nine recognized intensity levels, and more than 230 possible color variations. Many fancy diamonds include blended tones or muted hues due to secondary colors such as gray, brown, or olive. The most valued are those with rich color saturation and minimal color interference.
Among these, natural fancy gray diamonds stand out for their ethereal silvery tones and moody elegance. While not as scarce as reds or blues, high-quality natural gray diamonds are distinct, graceful, and quietly luxurious.
One notable gray diamond is the 13.28-carat “Bulgari Blue Gray,” celebrated for its mysterious smoky-blue tone and sold for over $1.5 million at auction.
GRAY DIAMONDS
Fancy gray diamonds are set apart by their soft, metallic shimmer and unique depth. Rather than deriving their color from elements like nitrogen (yellow) or boron (blue), gray diamonds get their tone from hydrogen, boron, or structural distortions that affect how light is absorbed and scattered.
Their neutral tone varies from silver-gray to steel-gray and can display overtones of blue, violet, or green. This versatility makes them a stunning and unconventional choice for jewelry. Unlike the sparkle-heavy appearance of colorless diamonds, gray diamonds tend to reflect a more subdued, elegant brilliance.
Though somewhat more accessible than ultra-rare pinks or purples, naturally colored gray diamonds over 1 carat with good clarity and saturation remain rare. They’ve grown increasingly popular in modern jewelry designs for their subtle yet impactful aesthetic.
GRADING NATURAL FANCY COLORED DIAMONDS
Grading fancy colored diamonds is a specialized process due to their variety in hue, tone, and saturation. The Gemological Institute of America (GIA) is the global authority on diamond grading and uses expert analysis alongside reference stones to evaluate each diamond.
Unlike white diamonds, which are graded on their lack of color, fancy colored diamonds are assessed for hue, tone, and saturation. Gray diamonds fall within the GIA’s color grading system and are often labeled with color modifiers like "Fancy Light Gray" or "Fancy Dark Gray."
Important gray diamond grading factors include:
- Whether the color is natural or treated
- Color consistency and tone distribution
- Surface clarity and polish quality
- Visual appeal and unique undertones
At Rêve Diamonds, every fancy gray diamond we offer is 100% natural and accompanied by a GIA or IGI certificate verifying its origin and color authenticity.
WHY CHOOSE RÊVE DIAMONDS
At Rêve Diamonds, we’re proud to provide an exquisite range of natural fancy colored diamonds — including a curated collection of natural gray diamonds. Because we cut and polish our diamonds in-house, we eliminate middlemen and offer unbeatable value.
Whether you’re interested in a custom-designed ring, a distinctive necklace, or an exceptional piece of fine jewelry, our expert team is here to guide you. Book a private consultation — online or in our New York or Los Angeles showrooms — and explore our wide selection of certified fancy colored diamonds.
TALK TO AN EXPERT
If you’re looking for a natural fancy gray diamond, our jewelry specialists are here to guide you. Contact us with your questions or book an appointment at our New York or Los Angeles showrooms. You can also connect with us via Live Chat or WhatsApp for personalized assistance.
Frequently Asked Questions About Fancy Gray Colored Diamonds
-What is a fancy gray diamond?
A fancy gray diamond is a natural diamond that has a gray body color, typically due to trace hydrogen or structural irregularities. These stones offer a soft, smoky, and often metallic look that’s understated yet luxurious.
-Are gray diamonds natural?
Yes, gray diamonds can occur naturally, although some are enhanced through treatments. At Rêve Diamonds, we offer only natural gray diamonds that are certified by the GIA to confirm their authenticity and untreated color.
-How do gray diamonds compare to other fancy colors?
Gray diamonds are subtler than vivid colored diamonds like pink or red but are just as unique. Their cooler tones and occasional blue or violet overtones give them a sophisticated, contemporary look.
-Are fancy gray diamonds valuable?
Absolutely. Natural gray diamonds are especially prized when they are untreated, well-cut, and larger in size. While often more affordable than rare pinks or blues, top-quality gray diamonds are still highly collectible.
-Are gray diamonds good for engagement rings?
Yes, gray diamonds make a fantastic choice for engagement rings. They’re elegant, modern, and beautifully versatile — pairing well with white metals and contrasting stones like colorless diamonds or sapphires.
-How can I tell if a gray diamond is natural or enhanced?
Always look for certification. A GIA or IGI certificate will verify whether a gray diamond is natural or treated. Certification is essential to ensure transparency in the diamond’s color origin.
-Are gray diamonds a good investment?
Yes. As natural fancy diamonds become increasingly popular, gray diamonds are gaining attention among collectors. Their subtle tone, rarity, and versatility make them an attractive long-term investment.
-How should I care for a gray diamond?
Gray diamonds are durable, but like all diamonds, they should be handled with care. Clean them gently using a soft brush and mild soapy water. Avoid ultrasonic cleaning and have settings checked regularly by a professional.
Got more questions? Speak to an expert today.
We know that picking a diamond is a big decision. If you’ve got any questions, we’re here to help.
Gray Colored Diamonds
Gray colored diamonds are prized for their natural silvery hue, calm brilliance, and distinctive tone. At Rêve Diamonds, all our gray diamonds are 100% natural — never treated — and derive their unique look from natural causes like trace elements or internal structure. Each stone includes an official GIA certificate verifying its origin.
Explore our gray diamond education resources to learn more about what sets these gems apart — and how to select the perfect one for your next jewelry design.
Use our advanced diamond search tool to browse our collection by shape, carat weight, color depth, clarity, and more. Whether you're searching for a subtle engagement ring or a modern heirloom, you’ll find the ideal match.
Other available fancy diamond options include pink, yellow, blue, purple, green, brown, and black. While many are graded based on color intensity, gray diamonds are appreciated for their even tone and soft, refined appearance — making them truly one-of-a-kind.