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

Emerald Cut
Lab-Grown Diamonds

Characterized by step-cut rectangular facets and truncated corners, the Emerald cut showcases raw optical clarity and understated vintage elegance. Preferred for high-clarity Type IIa CVD diamonds.

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Gemological Specifications

Cut StyleStep Cut Rectangular

Facet Count57 to 58 step facets

Ideal Ratio1.30 - 1.50 (Classic Elegance)

Table Range61% - 69%

Depth Range61% - 67%

Brilliance Rating 8.0 / 10 (Luster & Hall-of-Mirrors Focus)

Size & Footprint Analysis

Emerald Cut Carat Dimensions & Face-Up Size

Standard millimeter dimensions and visual characteristics across key carat weights for Emerald Cut solitaires.

1.00 Carat7.00 × 5.00 mm

Refined geometric rectangle proportions.

2.00 Carat8.50 × 6.00 mm

Commanding parallel facet step reflections.

3.00 Carat9.75 × 7.00 mm

High-end luxury statement piece.

5.00 Carat11.50 × 8.50 mm

Collector-grade hall-of-mirrors solitaire.

Manufacturer Standards

Why Source Emerald Cut CVD Diamonds From Colar Diamond?

VVS1 and VVS2 high clarity focus to optimize step-cut perfection

Clean table facets with zero strain or inclusion visibility

Matching side baguettes & trapezoids available upon request

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

Direct factory wholesale prices with global insured express delivery

Gemological Comparison

How Emerald Cut Compares to Alternatives

Emerald Cut vs. Radiant Cut

Emerald features clean parallel step facets, while Radiant combines the rectangular shape with brilliant sparkle.

Emerald Cut vs. Asscher Cut

Emerald is rectangular, whereas Asscher is a square step cut.

Wholesale Procurement

Ready to Order Emerald Cut 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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Emerald Cut Lab-Grown Diamonds