Knowledge
DISCOVER THE WORLD OF FANCY-COLOR DIAMONDS WITH LEMAN

What Are Fancy-Color Diamonds?
Fancy-color diamonds are nature’s most captivating treasures – vibrant, rare, and utterly unique. Unlike traditional white diamonds, which are graded from D to Z based on their lack of color, fancy-color diamonds radiate hues like pink, blue, yellow, green, red, violet, and orange – each formed by a magical interplay of natural elements deep within the earth.
These exquisite diamonds owe their color to various factors:
Nitrogen gives rise to yellow or orange hues.
Boron results in blue tones.
Hydrogen may create shades of violet or grey.
Natural radiation can produce rare greens.
Crystal lattice distortion caused by immense pressure leads to pinks, reds, and browns.
Some colors, such as pure red, remain a geological mystery — and are among the rarest on Earth.
Natural vs. Treated Fancy-Color Diamonds
While natural fancy-color diamonds are rare and highly valued, the market also includes:
Lab-grown colored diamonds, created in controlled environments.
Treated diamonds, enhanced using artificial methods such as irradiation, coating, or high-pressure high-temperature (HPHT) processes.
Natural fancy-color diamonds are prized for their authenticity and are significantly more valuable than their treated or lab-grown counterparts. Always ensure a GIA certificate is provided to confirm the diamond’s natural origin.
According to the Gemological Institute of America (GIA), colored diamonds are graded on three criteria:
Hue: The dominant color (e.g., pink, blue, yellow), sometimes accompanied by secondary tones.
Tone: The lightness or darkness of the color.
Saturation: The color’s intensity, ranging from Faint to Fancy Vivid.
Color intensity scale (from lowest to highest):
Faint → Very Light → Light → Fancy Light → Fancy → Fancy Intense → Fancy Vivid
Notice: The more vivid and saturated the color, the rarer and more valuable the diamond.
Popular Fancy-Color Diamonds & Their Rarity
Yellow: Most common, due to nitrogen. Value increases with intensity (e.g., Fancy Vivid Yellow).
Brown: Marketed as “champagne” or “cognac”; less rare but elegant in jewelry.
Pink: Exceptionally rare, especially from the Argyle Mine (Australia). Can fetch millions per carat.
Blue: Rare, created by boron. Famous example: the Hope Diamond.
Green: Extremely rare, caused by natural radiation.
Red: The rarest of all; only a handful exist (e.g., the 5-carat Moussaieff Red).
Purple & Orange: Rare and often blended with other hues (e.g., orangey pink, purplish red).
Value & Investment Potential
Fancy-color diamonds can be 10 to 50 times rarer than white diamonds of the same size and clarity. For example:
A 1-carat Fancy Vivid Pink diamond can command $100,000 to several million USD.
A similar-size white diamond may range from $10,000 to $20,000 USD, depending on clarity and cut.
Factors influencing value:
Color intensity and rarity
Carat weight
Clarity
Origin – diamonds from renowned sources like the Argyle Mine are especially prized.
Lab-grown colored diamonds are more affordable (10–30% of natural diamond prices), but lack long-term collectible value.
Applications & Symbolism
Fine Jewelry: A favorite for high-end engagement rings, earrings, and necklaces. Each color carries meaning — pink for love, blue for peace, yellow for joy.
Collectibles: Coveted by collectors and investors for their rarity and value appreciation.
Cultural Icons: Regularly featured in world-famous auctions (Sotheby’s, Christie’s) and owned by elite collectors.

What to Know Before Buying Fancy-Color Diamonds
If you're seeking a truly refined piece of natural elegance:
Always verify authenticity: Only purchase diamonds with GIA certification to confirm natural origin and color.
Choose a color that reflects you: At Leman Jewelry, under the artistic direction of Ngọc Đoàn, you’ll receive expert guidance in selecting a diamond that resonates with your personality — whether for a ring, pendant, or custom piece.
Think beyond beauty: Rare colors like pink and blue hold long-term investment value. Experience Fancy-Color Diamonds in Person
Step into Leman Jewelry’s showroom, where diamonds are seen in their truest brilliance — crafted into pieces that honor your style, your story, and your worth.
- Address: 201 Ly Tu Trong St., Ben Thanh Ward, District 1, HCMC.
- Hotline: 0909 977 124