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Direct Surat Diamond Manufacturer • Opaque Midnight Luster

Black Lab Grown Diamonds.
Midnight Mystery Direct to USA.

Featuring a captivating adamantine metallic sheen and deep opaque midnight-black body, our black lab grown diamonds (Carbonado-style) are synthesized with dense, uniform microscopic graphite carbon crystallization. The premier choice for edgy alternative bridal mountings, modern gothic engagement rings, and men's bespoke signet bands.

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10/10 Mohs Hardness 100% Opaque Jet Black Free Insured USA Delivery
Black Lab Grown Diamond Ring
Opaque Carbonado
High Polish Luster
Optical Clarity
100% Opaque Pitch Black
Surface Luster
Adamantine Metallic
Hardness
10 / 10 Mohs Scale
Popular Shapes
Rose Cut, Round, Emerald
✦ Direct Factory Value ✦

Black Diamond Pricing by Carat

Compare Surat factory direct wholesale prices for genuine crystallized black lab diamonds against standard US retail jewelry stores.

1.00 – 1.50 CARAT

1.0ct – 1.5ct Black Diamond

Sleek, bold center stone for modern minimalist rings, eternity bands, and bezel mountings.

Surat Factory Price: $250 – $400 USD
US Retail Store: $1,200 – $1,800
Mined Black Diamond: $2,800+
MODERN GOTHIC
2.00 – 2.50 CARAT

2.0ct – 2.5ct Black Diamond

Dramatic finger presence (~8.5mm) paired with white diamond halos or yellow gold claw mountings.

Surat Factory Price: $480 – $750 USD
US Retail Store: $2,400 – $3,500
Mined Black Diamond: $5,500+
3.00+ CARAT

3.00ct+ Black Diamond

Avant-garde statement gem with glossy mirror reflections and monumental hand presence.

Surat Factory Price: $850 – $1,350 USD
US Retail Store: $4,200 – $6,200
Mined Black Diamond: $10,000+
Searching for a Rose Cut, Round, or Emerald Black Diamond?

We custom facet black lab diamonds in all shapes and silhouettes. Request 360° loupe videos, millimeter dimensions, and certificates from our Surat cutting workshop.

✦ Carbonado Gemology ✦

The Science of Opaque Black Diamonds

Unlike transparent colored diamonds that reflect light through internal refraction, black diamonds are completely opaque. They derive their dramatic beauty from adamantine surface luster—light bouncing off polished exterior facets like glossy midnight glass.

What makes a black diamond black?
1. Graphite Micro-Inclusions: Millions of microscopic graphite and amorphous carbon particles are evenly distributed throughout the diamond crystal matrix during synthesis.
2. Complete Light Absorption: Because of the ultra-high density of carbon inclusions, 100% of visible light entering the stone is absorbed, resulting in a pitch-black appearance.
3. Genuine Mohs 10 Hardness: Unlike imitation black stones like black onyx (quartz, Mohs 7) or black spinel (Mohs 8), a black lab grown diamond has the full, unbreakable Mohs 10 diamond hardness.

Pure Carbon Hardness

Mohs 10 hardness ensures the surface will never scratch or dull over a lifetime.

Adamantine Luster

Mirror-like surface reflections distinct to genuine crystallized diamond.

Popular Shapes for Black Diamonds

Rose Cut (The Gothic Favorite)

Domed triangular facets catch overhead light like shimmering obsidian scales.

Round Brilliant Cut

57 facets reflecting bright flashes off the crown and table facets.

Princess & Emerald Cuts

Sharp geometric silhouettes loved for architectural men's rings and modern bridal sets.

Speak with a Black Diamond Specialist
✦ Handcrafted Fine Bridal ✦

Iconic Black Diamond Engagement Ring Mountings

The black lab grown diamond appeals to bold, unconventional individuals seeking non-traditional elegance. Our Surat master jewelers handcraft bespoke mountings in Solid 14K/18K Yellow Gold, Rose Gold, Platinum 950, and Black Rhodium Accents.

White Diamond Halo
A frame of sparkling white pavé diamonds creating maximum stark monochrome contrast.
18K Yellow Gold Bezel
A rich warm yellow gold bezel collar encasing the pitch-black stone flush to the finger.
Gothic Black Rhodium Band
All-black gothic bridal set featuring black rhodium-plated gold and black diamond accents.
Men's Heavy Signet Ring
Brushed platinum or yellow gold signet ring featuring a flush-set black diamond center stone.
Custom Black Lab Diamond Ring
✦ Buyer Education ✦

Frequently Asked Questions

Key facts and guidance about certified black lab created diamonds.

Yes, 100%! Black lab grown diamonds are real diamonds made of 100% crystallized carbon with a Mohs hardness of 10. They share the same crystal structure, density (3.52 g/cm³), and thermal conductivity as natural mined diamonds.

Black diamonds contain a high density of microscopic graphite and amorphous carbon inclusions throughout the crystal lattice. Because of this extreme concentration of carbon particles, all light entering the stone is completely absorbed, rendering the diamond 100% opaque with a glossy adamantine surface luster.

Black onyx is a variety of quartz with a soft Mohs hardness of 6.5–7 that easily scratches and dulls over time. Black moissanite is silicon carbide. A **black lab grown diamond is pure carbon with a Mohs hardness of 10**, ensuring it will never scratch, abrade, or lose its mirror-like polish over a lifetime of daily wear.

Direct from our Surat diamond factory, a certified 2 carat black lab grown diamond costs between $480 and $750 USD. In US retail jewelry stores, the same black lab diamond retails for $2,400 to $3,500 USD, and a natural mined black diamond commands $5,000 to $7,000+.

Black diamonds cannot be scratched by any material other than another diamond. However, because natural black diamonds often contain deep fissures, they could be fragile. In contrast, our **lab grown black diamonds are synthesized with controlled, uniform carbon density**, providing superior structural durability and toughness.
Home → Colored Diamonds → Black Lab Grown Diamonds
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