Are Colar CVD lab-grown diamonds chemically identical to mined diamonds?

Yes, Colar CVD lab-grown diamonds possess the exact same chemical composition, optical brilliance, and isometric crystal structure (Type IIa) as mined natural diamonds.

Do Colar lab-grown diamonds carry IGI and GIA certification?

All Colar wholesale lab-grown diamonds are independently graded and certified by international gemological institutes such as IGI and GIA with laser girdle inscriptions.

Where is Colar Diamond's manufacturing facility located?

Our state-of-the-art CVD growth reactors and lapidary diamond cutting facilities are located in Surat, Gujarat, India.

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CVD Diamond Shape Guide

Round Brilliant
Lab-Grown Diamonds

Engineered with 57 or 58 precisely angled facets, the Round Brilliant CVD diamond reflects up to 99% of light entering the stone. It remains the global gold standard for engagement rings and luxury solitaire jewelry.

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Gemological Specifications

Cut StyleIdeal 57-58 Facet Brilliant Cut

Facet Count57 or 58 facets

Ideal Ratio1.00 - 1.02 (Perfect Circle)

Table Range54% - 57%

Depth Range61.0% - 62.5%

Brilliance Rating 10 / 10

Size & Footprint Analysis

Round Brilliant Carat Dimensions & Face-Up Size

Standard millimeter dimensions and visual characteristics across key carat weights for Round Brilliant solitaires.

1.00 Carat6.50 × 6.50 mm

Standard benchmark for classic solitaire rings.

2.00 Carat8.10 × 8.10 mm

High visual impact with impressive table surface area.

3.00 Carat9.30 × 9.30 mm

Statement size with exceptional light dispersion.

5.00 Carat11.00 × 11.00 mm

Ultra-luxury investment grade solitaire.

Manufacturer Standards

Why Source Round Brilliant CVD Diamonds From Colar Diamond?

Available in 3EX (Ideal Cut, Polish, Symmetry) grade

D to F Colorless & VVS1 to VS2 Clarity Parcels

Calibrated layout matching for tennis bracelets and studs

Ready stock for instant global dispatch within 24-48 hours

100% Type IIa CVD crystal growth without post-growth treatment strain

Direct factory wholesale prices with global insured express delivery

Gemological Comparison

How Round Brilliant Compares to Alternatives

Round Brilliant vs. Oval Cut

Round offers maximum optical brilliance, whereas Oval provides a 10-15% larger visual face-up footprint per carat weight.

Round Brilliant vs. Cushion Cut

Round features sharp brilliant sparkle, while Cushion delivers softer rounded corners and romantic dispersion.

Wholesale Procurement

Ready to Order Round Brilliant CVD Diamonds?

Access real-time stock lists with 360° HD videos, IGI certificates, and volume wholesale pricing directly from our Surat factory.

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Round Brilliant Lab-Grown Diamonds