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100% Colorless Type IIa Purity • Surat Diamond Manufacturer

White Lab Grown Diamonds.
Pure D-F Colorless Direct to USA.

Representing the purest 1–2% of all diamonds in existence, our white lab grown diamonds are certified Type IIa with zero measurable nitrogen impurities. Master faceted in Surat with Ideal and Triple Excellent cut symmetry, certified by IGI and GIA, and delivered direct to your door across the USA at wholesale factory pricing.

View Carat Price Guide
D, E, F Colorless VVS1 - VS1 Clarity Free Insured USA Shipping
White Lab Grown Diamond Solitaire Ring
Type IIa Colorless
D-F Color, Triple Ex Cut
The Colorless D-F Grading Scale
GRADE D
Absolutely Colorless
The highest possible color grade; completely devoid of any hue.
GRADE E
Colorless
Minute traces of color detectable only by master gemologists under lab lighting.
GRADE F
Colorless (Sweet Spot)
Appears 100% ice-white face-up when mounted in white gold or platinum.
TYPE IIa PURITY
Zero Nitrogen
Pure crystallized carbon; highest thermal conductivity and optical transparency.
✦ Direct Factory Value ✦

White Diamond Pricing by Carat

Compare Surat factory direct wholesale prices for certified IGI & GIA colorless (D-F, VVS/VS) diamonds against standard US retail jewelry stores.

1.00 – 1.50 CARAT

1.0ct – 1.5ct White Diamond

D-F Colorless, VVS-VS clarity, ideal for classic bridal solitaires and halo mountings.

Surat Factory Price: $350 – $550 USD
US Retail Store: $1,200 – $1,800
Mined Colorless: $6,500+
MOST POPULAR
2.00 – 2.50 CARAT

2.0ct – 2.5ct White Diamond

The quintessential American engagement ring center stone (~8.2mm) with blinding white brilliance.

Surat Factory Price: $750 – $1,100 USD
US Retail Store: $2,800 – $4,200
Mined Colorless: $18,000+
3.00+ CARAT

3.00ct+ White Diamond

Showstopping high-jewelry centerpiece (~9.4mm) commanding breathtaking ice-white sparkle.

Surat Factory Price: $1,350 – $1,950 USD
US Retail Store: $5,800 – $8,500
Mined Colorless: $45,000+
Searching for a Specific 4Cs Combination?

Our Surat inventory holds over 5,000 certified D-F colorless lab diamonds in all 16 shapes. Request 360° loupe videos, Hearts & Arrows symmetry reports, and digital IGI certs.

✦ Purest Gemological Tier ✦

The Significance of Type IIa Purity

In gemology, diamonds are classified into Type I and Type II based on the presence or absence of nitrogen impurities in their carbon lattice.

Over 98% of natural mined diamonds are Type I, meaning they contain nitrogen atom clusters that can introduce subtle yellow or brown undertones.

In contrast, Type IIa diamonds are chemically pure carbon with zero measurable nitrogen impurities. Famous historical diamonds like the Cullinan and Koh-i-Noor belong to this rare Type IIa category. Because of our strict vacuum control in our Surat CVD plasma synthesis chambers, 100% of our white lab grown diamonds achieve Type IIa chemical purity, delivering the most crystalline, ice-pure transparency possible in the mineral kingdom.

Top 1% Chemical Purity

Type IIa carbon purity matches the world's most famous royal diamonds.

Triple Excellent Cut

Cut, polish, and symmetry calibrated for 100% total internal light reflection.

The 4Cs Smart Buying Formula

1. Cut (The #1 Priority)

Never compromise on cut. Choose Ideal or Triple Excellent to ensure blinding light return.

2. Color (Grade E or F Sweet Spot)

Grade E or F appears identical to D once set in jewelry while freeing up budget for carat weight.

3. Clarity (VS1 / VVS2 Eye-Clean)

VS1 and VVS2 diamonds are 100% eye-clean with microscopic inclusions invisible without a 10x loupe.

Speak with a White Diamond Specialist
✦ Handcrafted Fine Bridal ✦

Iconic White Diamond Ring Mountings

The colorless white lab grown diamond is the timeless symbol of enduring devotion. Our Surat master jewelers handcraft bespoke mountings in Solid Platinum 950, 18K/14K White Gold, Yellow Gold, and Rose Gold.

Classic 6-Prong Platinum
The iconic Tiffany-style solitaire lifting the diamond high for 360-degree light entry.
Hidden Halo Pavé Solitaire
A subtle ring of micro-diamonds beneath the center stone adding surprise sparkle.
Three-Stone Trilogy Ring
Center round or oval diamond flanked by pear, tapered baguette, or round side stones.
Modern Half-Bezel Mount
Contemporary architectural design gripping the sides while exposing top and bottom pavilions.
Custom White Lab Diamond Ring
✦ Buyer Education ✦

Frequently Asked Questions

Key guidance for purchasing certified white lab grown diamonds.

Type IIa is the gemological classification for diamonds that possess virtually zero measurable nitrogen impurities in their carbon lattice. In nature, less than 2% of mined diamonds qualify as Type IIa (such as the Cullinan diamond). In our Surat CVD plasma reactors, 100% of our white diamonds achieve Type IIa chemical purity, delivering unmatched ice-white clarity and light performance.

All three grades (D, E, and F) are classified as "Colorless" by GIA and IGI. While **D color** is the absolute pinnacle, **E and F color diamonds appear completely identical to D to the naked eye** once mounted into jewelry. Choosing an E or F color grade allows you to invest more of your budget into carat weight or an Ideal cut!

Yes, 100%! Because lab grown diamonds are real diamonds made of 100% crystallized carbon, they possess identical thermal and electrical conductivity. Standard gemological diamond testers will test positive for genuine diamond.

Yes. Every diamond above 0.50 carats is independently graded by the **International Gemological Institute (IGI)** or the **Gemological Institute of America (GIA)**. Each diamond features a microscopic laser inscription on its girdle matching its official laboratory grading report.

Direct from our Surat diamond factory, a certified 2 carat colorless white lab grown diamond (D-F Color, VVS/VS Clarity, Triple Excellent Cut) costs between $750 and $1,100 USD. In US retail jewelry stores, the same certified diamond retails for $2,800 to $4,200 USD, and a mined natural diamond commands $18,000+.
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