The Spectrum of Possibility: Lab-Grown Colored Melee Diamonds

Beyond the classic colorless brilliance that most associate with diamonds, lab-grown colored melee diamonds represent an exciting frontier in jewelry design. These tiny, vibrant gems offer unprecedented creative possibilities for designers and consumers alike. At Labrilliante, we've pioneered advanced techniques for producing consistent, ethically sourced colored melee diamonds that are transforming the landscape of fine jewelry.

Melee Size / Weight charts

Sieve size	Mm	Points	Price
–000	0.8 mm	0.2-0.25 pts	Login to view
–000	0.9 mm	0.3-0.45 pts	Login to view
–000	1.00 mm	0.50 pts	Login to view
+0-1	1.10 mm	0.65 pts	Login to view
+1-2	1.20 mm	0.75 pts	Login to view
+2-3.5	1.30 mm	1.00 pts	Login to view
+3.5-4.5	1.40 mm	1.25 pts	Login to view
+4.5-5.5	1.50 mm	1.50 pts	Login to view
+5.5-6	1.60 mm	1.75 pts	Login to view
+6-6.5	1.70 mm	2.00 pts	Login to view
+6.5-7	1.80 mm	2.50 pts	Login to view
+7-7.5	1.90 mm	3.00 pts	Login to view
+7.5-8	2.00 mm	3.50 pts	Login to view
+8-8.5	2.10 mm	4.00 pts	Login to view
+8.5-9	2.20 mm	4.50 pts	Login to view
+9-9.5	2.30 mm	5.00 pts	Login to view
+9.5-10	2.40 mm	5.50 pts	Login to view
+10-10.5	2.50 mm	6.00 pts	Login to view
+10.5-11	2.60 mm	7.00 pts	Login to view
+11-11.5	2.70 mm	8.00 pts	Login to view
+11.5-12	2.80 mm	9.00 pts	Login to view
+12-12.5	2.90 mm	10.00 pts	Login to view
+12.5-13	3.00 mm	11.00 pts	Login to view
+13-13.5	3.10 mm	12.00 pts	Login to view
+13.5-14	3.20 mm	13.00 pts	Login to view
+14-16.5	3.3-3.6 mm	14-17 pts	Login to view
—	3.7-3.8 mm	20.00 pts	Login to view
—	3.9-4.1 mm	25.00 pts	Login to view
—	4.2-4.4 mm	30 pts	Login to view

Shape	Size	Approx. Points	Color	Clarity	Growth technology	Price
Oval	3.00 mm X 2.00 mm	6 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Oval	3.50 mm X 2.50 mm	9 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Oval	3.70 mm X 2.70 mm	10 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Oval	4.30 mm X 3.00 mm	15 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Oval	4.00 mm X 3.00 mm	15pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Oval	4.50 mm X 3.00 mm	18pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Oval	4.70 mm X 3.30 mm	20pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Oval	5.00 mm X 3.00 mm	20pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Oval	4.80 mm X 3.40 mm	22pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Oval	5.00 mm X 3.50 mm	25pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

Shape	Size	Approx. Points	Color	Clarity	Technology type	Price
Princess	1.50 mm X 1.50 mm	2 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	1.60 mm X 1.60 mm	3 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	1.70 mm X 1.70 mm	3 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	1.80 mm X 1.80 mm	4 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	1.90 mm X 1.90 mm	5 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	2.00 mm X 2.00 mm	5 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	2.10 mm X 2.10 mm	6 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	2.20 mm X 2.20 mm	7 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	2.30 mm X 2.30 mm	8 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	2.40 mm X 2.40 mm	8 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	2.50 mm X 2.50 mm	10 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	2.60 mm X 2.60mm	10 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	2.70 mm X 2.70 mm	11 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	2.80 mm X 2.80 mm	12 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	2.90 mm X 2.90 mm	13 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	3.00 mm X 3.00 mm	17 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	3.20 mm X 3.20 mm	20 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Princess	3.50 mm X 3.50 mm	28 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

Shape	Size	Approx. Points	Color	Clarity	Technology type	Price
Emerald	3.00 mm X 2.00 mm	8 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Emerald	3.50 mm X 2.50 mm	15 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Emerald	4.20 mm X 3.00 mm	25 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Emerald	4.00 mm X 2.80 mm	20 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Emerald	4.00 mm X 3.00 mm	23 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Emerald	4.50 mm X 3.00 mm	28 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

Shape	Size	Approx. Points	Color	Clarity	Technology Type	Price
Pear	3.00 mm X 2.00 mm	5pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Pear	3.50 mm X 2.50 mm	9pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Pear	4.00 mm X 2.50 mm	10pts	EPink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Pear	4.00 mm X 3.00 mm	15pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Pear	4.50 mm X 2.75 mm	12pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Pear	4.50 mm X 3.00 mm	16pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Pear	5.00 mm X 3.50 mm	23pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Pear	5.00 mm X 3.00 mm	20pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Pear	5.50 mm X 3.50 mm	25pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Pear	5.70 mm X 3.70 mm	30pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Pear	6.00 mm X 3.50 mm	30pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

Shape	Size	Approx. points	Color	Clarity	Technology type	Price
Asscher	2.95 mm X 2.95 mm	16 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Asscher	3.00 mm X 3.00 mm	17 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Asscher	3.50 mm X 3.50 mm	27 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

Shape	Size	Approx. points	Color	Clarity	Technology type	Login to view
Marquise	3.00 mm X 1.50 mm	3 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	3.50 mm X 1.75 mm	4.5 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	4.00 mm X 2.00 mm	7 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	4.50 mm X 2.25 mm	9 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	4.50 mm X 2.50 mm	10 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	4.50 mm X 2.00 mm	7 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	4.70 mm X 2.50 mm	10 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	5.00 mm X 2.50 mm	12 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	5.00 mm X 3.00 mm	15 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	5.50 mm X 2.50 mm	15 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	5.50 mm X 2.80 mm	15 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	5.50 mm X 3.00 mm	18 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	6.00 mm X 3.00 mm	20 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	6.50 mm X 3.00 mm	25 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	6.50 mm X 3.50 mm	28 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Marquise	7.00 mm X 3.50 mm	30 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

Shape	Size	Approx. points	Color	Clarity	Technology type	Price
Radiant	3.50 mm X 2.50 mm	15 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Radiant	4.00 mm X 3.00 mm	22 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Radiant	4.50 mm X 3.00 mm	25 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Radiant	4.20 mm X 3.00 mm	25 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Radiant	3.50 mm X 3.50 mm	27 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

Shape	Size	Approx. points	Color	Clarity	Technology type	Price
Baguette	2.00 mm X 1.00 mm	2 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	2.00 mm X 1.50 mm	2.5 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	2.70 mm X 1.50 mm	5 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	3.00 mm X 1.50 mm	4.5 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	3.50 mm X 1.75 mm	7.0 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	3.50 mm X 2.00 mm	7.0 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	3.00 mm X 2.00 mm	8.0 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	4.00 mm X 2.00 mm	11.0 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	4.50 mm X 2.25 mm	15.0 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	5.00 mm X 2.50 mm	22.0 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	5.50 mm X 2.50 mm	25.0 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	5.50 mm X 2.75 mm	25.0 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Baguette	6.50 mm X 2.00 mm	30.0 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

Shape	Size	Approx. points	Color	Clarity	Technology type	Price
Trilliant	3.00 mm X 3.00 mm	10 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Trilliant	3.50 mm X 3.50 mm	18 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Trilliant	4.00 mm X 4.00 mm	22 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Trilliant	4.50 mm X 4.50 mm	28 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

Shape	Size	Approx. points	Color	Clarity	Technology type	Price
Triangle	4.00 mm X 4.00 mm	13 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Trilliant	4.50 mm X 4.50 mm	20 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Trilliant	5.00 mm X 5.00 mm	25 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

Shape	Size	Approx. points	Color	Clarity	Technology type	Price
Kite	3.30 mm X 2.30 mm	5 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Kite	4.15 mm X 2.40 mm	10 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Kite	5.00 mm X 3.00 mm	13 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view
Kite	6.00 mm X 4.00 mm	25 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

Shape	Size	Approx. points	Color	Clarity	Technology type	Price
Tapered bullet	5.00 mm X 3.00 mm	20 pts	Pink,Blue,Yellow,Red,Purple,Green,Brown,Orange,Black	VS1-VS2	HPHT	Login to view

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The Science of Color: How Lab-Grown Melee Diamonds Get Their Hues

Lab-grown colored melee diamonds derive their stunning hues through precisely controlled processes that mimic and enhance nature's color-creating mechanisms. Unlike natural colored diamonds, which obtain their color through random geological processes over millions of years, Labrilliante's lab-grown colored melee diamonds achieve consistent, predictable colors through scientific precision.

Content table

Quality Control for Precision

Creating melee diamonds requires exceptional precision, as these small stones must meet exact specifications for jewelry settings. At Labrilliante, our calibrated melee diamonds undergo rigorous quality control:

Multi-stage optical scanning to verify dimensions (±0.02mm tolerance)
Advanced spectroscopy to confirm diamond composition
Automated sorting for consistency in cut, clarity, and color
Final human inspection by trained gemologists

Recent technological breakthroughs have dramatically improved the efficiency of lab-grown melee diamond production, reducing energy consumption by up to 30% while maintaining superior quality standards.

Color Origins & Intensity

The origin of color in lab-grown melee diamonds falls into two primary categories:

Growth Process Coloration

During the diamond growth process, trace elements can be introduced or crystal structure modifications can be made:

Nitrogen Integration: Creates yellow and orange hues by absorbing blue light
Boron Addition: Produces blue diamonds by absorbing red and yellow light
Crystal Lattice Deformation: Creates pink, purple, and red tones through structural changes
Hydrogen Incorporation: Can contribute to unique brown, violet, and gray-green colors

Post-Growth Enhancement

After initial growth, some colors are achieved or intensified through controlled treatments:

Irradiation Followed by Annealing: Creates or enhances green, blue, and pink colors
High-Pressure High-Temperature (HPHT) Treatment: Can adjust brown diamonds to colorless, yellow, or green
Multiple-Process Treatments: Combines techniques to achieve rare and exotic colors like deep reds and vibrant purples

Color Intensity Scale for Lab-Grown Colored Melee Diamonds

Color Intensity Scale for Lab-Grown Colored Melee Diamonds
Intensity Grade	Visual Appearance	Typical Price Premium	Best Applications
Faint	Barely perceptible color	10-20% over colorless	Subtle accents, gradient effects
Very Light	Noticeable but delicate color	25-40% over colorless	Pastel designs, bridal accents
Light	Clear color presence	45-70% over colorless	Fashion jewelry, mixed-color designs
Fancy Light	Definite color with moderate intensity	80-120% over colorless	Statement pieces, signature collections
Fancy	Strong, eye-catching color	150-200% over colorless	Center stone accents, luxury pieces
Fancy Intense	Vibrant, commanding color	250-350% over colorless	High-end luxury, collector pieces
Fancy Vivid	Maximum color saturation	400-600% over colorless	Couture jewelry, investment pieces

Labrilliante specializes in creating fancy colored melee diamonds across the full intensity spectrum, with particular expertise in achieving the highly coveted Fancy Intense and Fancy Vivid grades in pink, yellow, and blue colored melee diamonds.

The Rainbow Palette: Available Colors in Lab-Grown Melee

Our technological innovations have allowed us to master a comprehensive spectrum of colored melee diamonds:

Yellow Melee Diamonds: From delicate canary to deep amber, yellow represents our most versatile and widely available color
Pink Melee Diamonds: Ranging from subtle blush to intense magenta, our pink melee diamonds offer romantic possibilities
Blue Melee Diamonds: From ice blue to deep navy, these rare-in-nature colors are readily available in our lab-grown alternatives
Green Melee Diamonds: From mint to forest hues, these stones provide unique design opportunities
Purple Melee Diamonds: From lavender to deep violet, these uncommon colors create distinctive jewelry
Orange Melee Diamonds: From peach to tangerine, these energetic hues add warmth to designs
Brown Melee Diamonds: From champagne to cognac, these sophisticated neutrals complement many styles
Black Melee Diamonds: Achieved through specific growth conditions, offering dramatic contrast options
Red Melee Diamonds: The rarest color, reserved for our most exclusive collections

Quality Factors: Clarity, Cut, and Carat Weight

While color is the defining characteristic of fancy colored melee diamonds, other quality factors remain crucial to their overall performance and beauty.

Clarity Considerations for Colored Melee

The presence of color in diamonds often masks minor inclusions, changing the clarity evaluation equation:

For yellow, orange, and brown melee diamonds: VS-SI clarity grades offer optimal value, as these warmer colors effectively conceal minor inclusions
For blue, pink, and green melee diamonds: Higher clarity (VVS) is often preferred as these colors can sometimes emphasize inclusions
For darker colors like deep blue or black: SI clarity often provides excellent value with no visible impact on appearance

Labrilliante maintains strict quality standards for all colored melee diamonds, typically offering:

Premium Collection: VVS-VS clarity
Select Collection: VS-SI1 clarity
Essential Collection: SI1-SI2 clarity

The Critical Importance of Calibration

For colored melee diamonds, precise calibration is even more critical than for colorless stones, as color matching adds another dimension of complexity:

Calibration Standards for Colored Melee Diamonds

Calibration Standards for Colored Melee Diamonds
Dimension	Standard Tolerance	Premium Tolerance	Impact on Setting
Diameter	±0.05mm	±0.02mm	Critical for pavé and channel settings
Height	±0.07mm	±0.03mm	Affects overall uniformity in multi-stone settings
Table %	±3%	±1%	Influences color perception and pattern consistency
Girdle Thickness	Thin-Medium	Medium	Impacts durability in setting process
Color Matching	Same intensity grade	Visually identical	Critical for aesthetic cohesion in finished piece

Labrilliante's proprietary sorting technology ensures that our calibrated colored melee diamonds meet or exceed industry standards, with options for ultra-precision calibration for the most demanding applications.

Cut Quality: Maximizing Colored Diamond Performance

The cut of colored melee diamonds significantly influences how color is expressed:

Brilliant Cuts: Maximize light return but can sometimes dilute color intensity in lighter-toned stones
Modified Brilliant Cuts: Designed specifically to balance brilliance with color saturation
Step Cuts: Emphasize color saturation but reduce sparkle; ideal for deeper colored stones
Mixed Cuts: Combine brilliant crown with step pavilion for optimal color performance

For fancy-shaped colored melee diamonds, Labrilliante offers:

Round colored melee diamonds (our most versatile option)
Princess cut colored melee (excellent for channel settings)
Marquise colored melee diamonds (distinctive accent options)
Pear shaped colored melee diamonds (elegant for gradient arrangements)
Oval colored melee (balanced color expression)
Emerald cut colored melee diamonds (superior color saturation)
Radiant cut colored melee (excellent color-brilliance balance)
Asscher cut colored melee diamonds (sophisticated geometric option)

Carat Weight and Size Considerations

Colored melee diamonds follow the same weight-to-size relationship as colorless diamonds, with slight variations based on growth techniques:

Available in standard calibrated sizes from 0.8mm to 3.4mm
Typical weight range from 0.005ct to 0.20ct per stone
Color saturation tends to increase with size, making larger melee diamonds appear more intensely colored
Matching color across different sizes requires advanced production techniques

Creative Applications: Designing with Colored Melee Diamonds

The availability of consistent, high-quality lab-grown colored melee diamonds has unleashed creative possibilities previously unimaginable in fine jewelry design.

Signature Design Approaches

Labrilliante's colored melee diamonds enable several distinctive design techniques:

Ombré Effects: Gradual progression from light to intense color, or between complementary colors
Rainbow Melee Arrangements: Multi-color patterns utilizing the full spectrum of available hues
Color Blocking: Geometric arrangements of contrasting colored sections
Pavé Color Mixing: Blending colors to create the impression of new hues (similar to pointillism in art)
Halo Color Contrasts: Using colored melee to create dramatic frames around center stones

Most Popular Colored Melee Diamond Applications

Most Popular Colored Melee Diamond Applications
Application	Popular Colors	Typical Size Range	Design Trend
Engagement Ring Halos	Pink, Blue, Yellow	1.3-1.7mm	Matching or contrasting with center stone
Eternity Bands	Rainbow, Ombré, Single Color	1.8-2.2mm	Alternating patterns, gradients
Pendant Accents	Blue, Green, Yellow	1.0-1.5mm	Scattered, organic arrangements
Fashion Rings	Multicolor, Bold Singles	2.0-3.0mm	Geometric patterns, color blocking
Watch Bezels	Black, Blue, Rainbow	1.2-1.5mm	Color coordinated with dials and straps
Men's Jewelry	Black, Blue, Brown	1.5-2.5mm	Minimal, architectural arrangements

Certain color combinations have proven especially effective in jewelry design:

Blue melee with yellow gold for a classic, royal aesthetic
Pink melee with rose gold for tonal harmony
Yellow melee with white gold for maximum color pop
Green melee with yellow gold for natural, organic themes
Multicolor melee with blackened gold for contemporary drama

Certification and Authentication

As with all premium diamond products, proper documentation is essential for colored melee diamonds:

Batch Certification for Colored Melee

Labrilliante provides comprehensive batch certification for colored melee diamonds at customer's request:

Color Origin Disclosure: Clear documentation of whether color is growth-based or treatment-enhanced
Color Stability Warranty: Guarantee of color permanence under normal wearing conditions
Spectroscopic Analysis: Advanced testing confirming diamond composition and color characteristics
Treatment Disclosure: Transparent information about any post-growth enhancements

Authentication Technologies

For businesses concerned about diamond identification, Labrilliante offers:

Melee Screening Services: Verification of diamond type for parcels
Specialized Detection Equipment: Guidance on tools that can identify lab-grown diamonds
Secure Supply Chain: Complete traceability from creation to delivery
Nano-Marking Options: For high-value colored melee, microscopic identification is available at customer's request

The Colorful Future of Melee Diamonds

Lab-grown colored melee diamonds represent more than just a technological achievement—they symbolize the democratization of luxury and the fusion of ethics with aesthetic excellence. As these vibrant, sustainable gems continue to capture the imagination of designers and consumers alike, Labrilliante remains committed to pushing the boundaries of what's possible.

The vivid potential of colored melee diamonds is transforming the landscape of fine jewelry, creating new possibilities for personalization, artistic expression, and responsible luxury. From subtle pink accents in an engagement ring to bold rainbow patterns in contemporary designs, these tiny gems of scientifically perfected color are making a massive impact on the jewelry world—one small stone at a time.

Frequently Asked Questions: Lab-Grown Colored Melee Diamonds

Yes, lab-grown colored melee diamonds are chemically, physically, and optically identical to natural diamonds. They have the same carbon crystal structure, hardness, refractive index, and durability. The only difference is their origin—created in controlled laboratory environments rather than mined from the earth.

Lab-grown diamonds get their color either during the growth process or through post-growth treatments. During growth, elements like nitrogen (yellow), boron (blue), or specific structural defects (pink) create color. Post-growth treatments can include irradiation followed by annealing or HPHT processing to achieve or enhance specific colors like green, blue, or pink.

No, properly created lab-grown colored melee diamonds from reputable producers like Labrilliante will not fade, change, or lose their color over time. The color is stable and permanent, just as in natural colored diamonds. All Labrilliante colored melee diamonds undergo stability testing to ensure color permanence under normal wearing conditions.

Technically yes, but ethical jewelers should always disclose this practice. At Labrilliante, we recommend maintaining transparency by either using all lab-grown or all natural stones in a single piece. The mixing could potentially create issues with long-term value perception, insurance appraisals, and consumer trust if not properly disclosed.

Pink and blue lab-grown melee diamonds command higher prices because they require more complex and time-consuming growth techniques, have lower production yields, and face higher demand. Yellow diamonds require only nitrogen integration during growth, while pink diamonds need precise structural deformation and blues require careful boron doping under strict conditions—both processes with significantly lower success rates.

Yes, Labrilliante offers custom color development services for businesses requiring specific hues that align with their brand identity or design requirements. While standard colors are immediately available, custom color programs typically require a 3-6 month development process and minimum order quantities. This service is particularly popular with luxury brands seeking proprietary colors for signature collections.

Yes, lab-grown colored melee diamonds will test as diamond on standard thermal and electrical conductivity testers because they are genuine diamonds with identical properties to natural diamonds. However, they can be distinguished from natural diamonds using advanced spectroscopic equipment that detects subtle growth pattern differences. At customer's request Labrilliante may provide proper disclosure documentation to ensure transparency throughout the supply chain.

Diamond painting is an innovative jewelry technique that uses densely set colored melee diamonds to create mosaic-like patterns or imagery on jewelry surfaces. Using precisely calibrated colored melee diamonds, skilled setters can produce intricate pictures, gradients, or abstract designs. This technique, pioneered with Labrilliante's lab-grown colored melee, allows for previously impossible artwork-like effects in fine jewelry, bridging the gap between conventional jewelry and miniature artistic expression.

The Spectrum of Possibility: Lab-Grown Colored Melee Diamonds

Diamond request

Melee Size / Weight charts

The Science of Color: How Lab-Grown Melee Diamonds Get Their Hues