Fancy Colored Lab Grown Diamonds: Yellow, Pink, Blue and Beyond

While white (colorless) diamonds dominate the fine jewelry market, fancy colored diamonds have captivated collectors and fashion-forward buyers for centuries. Lab grown technology has made these once-impossibly-rare gems accessible, creating vivid, stunning colored diamonds at a fraction of what their mined counterparts command.

How Color Occurs in Lab Grown Diamonds

Just as in nature, color in lab grown diamonds results from specific trace elements or structural variations introduced during the growth process:

Yellow — nitrogen atoms are incorporated during growth, absorbing blue light and producing vibrant yellow hues
Blue — boron atoms integrated into the crystal lattice create blue coloration
Pink/Red — post-growth treatments that modify the diamond's crystal structure produce pink tones through controlled stress
Green — electron irradiation creates green hues by altering how the diamond absorbs light
Black — extensive inclusion of graphite or other dark materials creates opaque black diamonds

The same scientific principles that create colorless lab grown diamonds are precisely controlled to produce specific, consistent colors that would take millions of years of geological coincidence in nature.

Fancy Yellow Diamonds

Yellow diamonds are the most common fancy color — both in nature and in the lab. They range from light lemon to intense canary yellow, and their warm, sunny brilliance makes them exceptional center stones.

Grading Yellow Diamonds

Yellow diamonds are graded on a separate scale from the standard D-Z color grading:

Fancy Light Yellow — subtle warmth, pairs beautifully with yellow gold
Fancy Yellow — distinct yellow hue, clearly colored
Fancy Intense Yellow — vibrant, saturated yellow
Fancy Vivid Yellow — the most prized, deeply saturated canary yellow

Setting Yellow Diamonds

Yellow gold settings enhance the diamond's warmth, making even lighter yellows appear more vivid. White gold or platinum creates striking contrast, but the yellow body color must be intense enough to hold its own against the white metal.

Fancy Pink Diamonds

In nature, pink diamonds are among the rarest and most valuable gemstones on Earth — the closure of Australia's Argyle mine made natural pinks even scarcer. Lab grown pink diamonds offer this incredibly coveted color at accessible prices.

Pink Diamond Characteristics

Lab grown pinks range from delicate blush to vivid hot pink. The intensity of color directly correlates with desirability and value. Pinks carry associations with romance, femininity, and uniqueness that make them increasingly popular for engagement rings.

Styling Pink Diamonds

Rose gold settings complement pink diamonds beautifully, creating a harmonious, warm palette. White metals provide contrast that makes the pink more vivid. Pink diamonds work exceptionally well as center stones in halo settings surrounded by white diamonds.

Fancy Blue Diamonds

Blue diamonds evoke oceanic depth and regal sophistication. The Hope Diamond — the world's most famous blue diamond — has captivated imaginations for centuries. Lab grown blue diamonds bring this extraordinary color to modern jewelry collections.

Blue Diamond Shades

Lab grown blues range from steel gray-blue to deep sapphire blue. The presence of boron determines both the color intensity and the diamond's unique electrical conductivity (blue diamonds are the only type that conduct electricity).

Styling Blue Diamonds

Blue diamonds make extraordinary statement pieces. White gold or platinum settings maximize the contrast and showcase the blue hue most effectively. They're particularly striking in cocktail rings and pendant necklaces.

Green, Orange, and Other Colors

Green Diamonds

Green lab grown diamonds offer a fresh, natural aesthetic. Their rarity in nature makes them collector's items, but lab growing technology produces consistent, vivid greens. They pair beautifully with both yellow and white metals.

Orange Diamonds

Vivid orange diamonds — sometimes called "pumpkin diamonds" — combine nitrogen inclusion with specific crystal lattice arrangements. They offer warm, fiery brilliance that stands out from every other gem color.

Black Diamonds

Black diamonds offer dramatic, bold style that's become increasingly fashionable in modern jewelry. They create striking contrast when set alongside white diamonds in contemporary masculine jewelry and edgy fashion pieces.

Certification of Fancy Colors

Certified fancy colored lab grown diamonds include specific color grading on their certificates:

Hue — the primary color (yellow, blue, pink, etc.)
Tone — how light or dark the color appears
Saturation — how vivid or muted the color is
Distribution — whether color is even throughout or concentrated

Major labs like IGI grade fancy colored lab grown diamonds using the same criteria applied to natural fancy colors, ensuring consistent, comparable quality standards.

Choosing the Right Fancy Color Shape

Certain diamond shapes maximize color visibility:

Radiant cut — the best shape for color concentration, making it the top choice for fancy yellows
Cushion cut — excellent color retention with romantic, soft corners
Oval cut — good color display with the added benefit of face-up size
Pear shape — unique silhouette that showcases color beautifully
Emerald cut — shows color in broad, dramatic flashes rather than sparkling facets

Fancy Colors as Accents

Colored lab grown diamonds aren't only for center stones. They make spectacular accent stones:

Yellow diamond side stones flanking a white center diamond
Pink diamond halos creating a romantic frame
Blue diamond accents on a tennis bracelet for unique personality
Alternating colored and white diamonds in eternity bands

Recommended Pieces

Explore our complete collection and discover the extraordinary beauty of lab grown diamonds in every color nature — and science — can create.