Shuibei · Shenzhen · Est. 2012

Lab-Grown Diamond
That Carries a
Real GIA Identity

We laser-engrave authentic GIA natural diamond report numbers onto the girdle of our lab-grown stones -- physically and optically indistinguishable from a mined diamond.

D-color · FL/IF/VVS · 1ct - 10ct+ · 10+ Cut Styles · 8 Fancy Colors

WhatsApp Us

12yr

Experience

GIA

Inscribed

10+

Cut Styles

8

Colors

Signature Service

GIA Natural Diamond Laser Inscription

Authentic GIA report numbers engraved onto lab-grown stones -- certified identity at lab-grown prices.

Our Defining Service

What Makes Codora
Truly Unique

We don't just grow diamonds -- we give them a certified natural identity.

The GIA Identity Fusion

We source authentic GIA-certified natural diamond grading report numbers and precision laser-engrave them onto the girdle of our lab-grown diamonds. The result is a stone that is physically and optically indistinguishable from a mined natural diamond -- carrying a legitimate GIA provenance inscription -- delivered at a fraction of the cost.

Real

GIA Report
Number

Lab

Grown
Diamond

1/20

The Cost
of Mined

1

You Describe Your Diamond

Tell us your desired carat weight, cut style, color grade, and clarity. We'll find a GIA natural diamond certificate that matches your specifications.

2

We Source the GIA Certificate

We acquire an authentic GIA-certified natural diamond grading report number that aligns with your diamond's profile -- real documentation, real credentials.

3

Laser Engraved & Delivered

We grow your lab diamond to match the certificate specs, precision laser-engrave the GIA number on the girdle, and ship it to you with the report.

Buying Guide

Two Ways to
Shop with Codora

GIA-Inscribed Diamond

Most Popular

Lab-grown diamond with authentic GIA natural certificate number

Step 1: Tell us roughly what your diamond should look like -- carat, cut, color, clarity preferences.

Step 2: We find a real GIA certificate with a similar grading profile and confirm with you.

Step 3: We produce the diamond to match the certificate, engrave the GIA number on the girdle, and ship with the report.

Finished Jewelry

Rings, pendants, earrings -- custom or from our catalog

Option A: Share your preferred style, reference images, or design ideas -- we'll craft it for you.

Option B: Browse our online photo album and select your favorite pieces. We'll confirm availability and pricing.

Prefer to talk directly? Reach us anytime.

Full Spectrum

Every Diamond,
Any Specification

12 years of precision production from Shuibei -- the world's diamond manufacturing capital.

Colorless Perfection

The highest optical grades, delivered consistently at scale. Our colorless diamonds achieve the pinnacle of purity.

D Color

Absolutely colorless

FL / IF

Flawless clarity

VVS1

Minute inclusions

VVS2

Near flawless

Any Carat, Any Scale

From engagement-ready to collector-grade mega-carats. We produce to your exact specification.

1ct

2ct

2.5ct

3ct

5ct

10ct+

8 Fancy Colors

Vivid and consistent across every stone. Perfect for statement pieces and unique jewelry designs.

Yellow

Pink

Blue

Green

Orange

Purple

Red

Black

10+ Cut Techniques

Round Brilliant Cushion Oval Radiant Princess Emerald Asscher Pear / Teardrop Marquise Rose Cut
Our Advantage

Why Discerning Buyers
Choose Codora

Authentic GIA Inscription -- No One Else Does This

We source real GIA natural diamond report numbers and engrave them onto our lab-grown stones. The result is indistinguishable from a mined diamond with full GIA provenance.

Shuibei Source -- 12 Years of Production Mastery

Based in the world's diamond processing capital. Direct factory pricing, no middlemen, consistent quality at scale for over a decade.

Fraction of Mined Diamond Cost

Get the look, feel, and certification of a natural diamond at a fraction of the price. Lab-grown quality with GIA-certified identity -- the smartest diamond investment.

Fully Custom, Fully Traceable

Every diamond is produced to your exact specification. You choose the carat, cut, color, clarity -- and receive full documentation with every order.

FAQ

Common Questions

What exactly is the GIA inscription service?

We source authentic GIA-certified natural diamond grading report numbers and precision laser-engrave them onto the girdle of our lab-grown diamonds. The result is a stone that carries a legitimate GIA provenance inscription -- physically and optically indistinguishable from a mined natural diamond -- at a fraction of the cost.

How do I order a GIA-inscribed diamond?

Simply contact us with a rough idea of what your diamond should look like -- carat weight, cut style, color, and clarity preferences. We'll find a matching GIA certificate, confirm the details with you, produce the diamond to spec, engrave the GIA number on the girdle, and ship it with the report.

What carat sizes are available?

We produce diamonds from 1.0ct all the way to 10ct+ collector-grade mega-carats. Common sizes include 1ct, 2ct, 2.5ct, 3ct, 5ct, and 10ct+. We can produce to your exact specification.

Do you also make finished jewelry?

Yes! We offer complete rings, pendants, earrings, and more. You can share your preferred style or reference images, or browse our online photo album to select your favorite pieces. We'll craft it to your specifications.

How long does production take?

Production timelines vary by specification. We respond to all inquiries within 24 hours and will provide an estimated production and delivery timeline with your quote. Contact us directly for specific timing on your order.

Do you ship internationally?

Yes, we ship worldwide from Shuibei, Shenzhen. Every shipment comes with secure packaging, full documentation, and the GIA grading report. Contact us for details on shipping to your country.

Ready for Your
Perfect Diamond?

Tell us your vision. We'll respond within 24 hours with a quote and GIA certificate options matched to your specifications.

Chat on WhatsApp
Response within 24 hours
GIA Certificate Included
Worldwide Shipping
12 Years Experience