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Meiara Creation

GRA Certification

Understanding Your Gemstone Documentation

Every moissanite stone in your jewelry comes with independent certification from the Gemological Research Association (GRA). This documentation provides verified details about your gemstone's characteristics, giving you confidence in what you're purchasing.


WHAT IS GRA?

The Gemological Research Association is an organization that provides standardized grading and certification for moissanite gemstones. Each stone undergoes laboratory analysis to evaluate its quality characteristics, and the results are documented in an official report.

The certificate serves as a detailed specification sheet that confirms your stone's properties—color, clarity, cut quality, and precise measurements.


WHAT YOUR CERTIFICATE INCLUDES

Stone Identification

Your certificate confirms the gemstone as genuine moissanite (silicon carbide), distinguishing it from other materials like cubic zirconia or glass.

The Four C's

Color Grade

Moissanite color is graded on a scale from D (completely colorless) to K (faint color):

Grade

Description

D, E, F

Colorless—no visible tint

G, H, I

Near colorless—slight warmth visible under close inspection

J, K

Faint color—noticeable warmth

Standard used: D, E, or F grade (colorless) exclusively

Clarity Grade

Clarity indicates the presence of internal characteristics (inclusions) when examined under 10x magnification:

Grade

Meaning

FL, IF

Flawless / Internally Flawless

VVS1, VVS2

Very Very Slightly Included—extremely difficult to detect

VS1, VS2

Very Slightly Included—minor inclusions

SI1, SI2

Slightly Included—noticeable under magnification

Standard used: VVS1 grade (virtually flawless to the naked eye)

Cut Grade

Cut quality determines how well light travels through the stone, directly affecting brilliance and fire:

Grade

Light Performance

Excellent

Optimal light return and sparkle

Very Good

High light performance

Good

Adequate brilliance

Fair/Poor

Reduced sparkle

Standard used: Excellent cut grade for maximum brilliance

Carat Weight

Precise weight measurement recorded to 0.001 carat accuracy.

Additional Details

Your certificate also documents:

  • Measurements: Exact dimensions in millimeters (length × width × depth)

  • Shape: Round, oval, cushion, emerald, marquise, etc.

  • Proportions: Table percentage, depth percentage, crown and pavilion angles

  • Polish and Symmetry: Quality of finishing work

  • Unique Report Number: Individual identification for verification


SAMPLE CERTIFICATE DETAILS

A typical certificate displays information in this format:

Field

Example

Report Number

GRA8501159

Description

Moissanite

Shape

Round Brilliant

Measurements

6.5 × 6.5 × 4.0 mm

Carat Weight

1.0 ct

Color

D

Clarity

VVS1

Cut Grade

Excellent

Table

56.0%

Depth

62.5%


QUALITY STANDARDS

The moissanite featured meets specific quality benchmarks:

Characteristic

Standard

Why It Matters

Color

D-E-F (Colorless)

No yellow or brown tints; diamond-like appearance

Clarity

VVS1

Inclusions invisible without magnification

Cut

Excellent

Maximum light performance and sparkle

These specifications represent the highest quality grades available for moissanite.


VERIFYING YOUR CERTIFICATE

Each certificate includes a unique report number that can be checked through the official GRA verification portal:

  1. Locate the report number on your certificate

  2. Visit the GRA verification website

  3. Enter the report number

  4. Compare the displayed details with your physical certificate

The online record should match your certificate's specifications including measurements, weight, and grading details.

What to Check:

  • Report number matches

  • Stone measurements correspond to your gemstone

  • Color, clarity, and cut grades are consistent

  • Shape description is accurate


UNDERSTANDING CERTIFICATION VALUE

What Certification Provides

  • Verified Specifications: Confirmed details about your specific stone, not generic claims

  • Quality Assurance: Independent evaluation of color, clarity, and cut

  • Documentation: Permanent record of your gemstone's characteristics

  • Comparison Basis: Standardized grading allows meaningful quality comparisons

What Certification Represents

The certificate documents the characteristics of your individual stone as evaluated at the time of grading. It confirms that the stone meets the stated specifications and provides a reference for the quality you've purchased.


CARING FOR YOUR CERTIFICATE

Storage:

  • Keep in a safe, dry location separate from your jewelry

  • Consider digital backup (photograph or scan)

  • Store with original packaging and purchase documentation

Uses:

  • Insurance documentation and appraisals

  • Future resale or trade-in reference

  • Verification of authenticity and quality

  • Personal records


QUESTIONS ABOUT CERTIFICATION

Does every stone come with a certificate?
Yes. Each moissanite stone receives individual certification documenting its specific characteristics.

Are smaller stones certified?
Stones 5mm and larger receive full GRA certification with detailed reports.

Can certificates be replaced if lost?
Contact customer service with your order details. Records are maintained and replacement documentation can be arranged.

Is the certificate original or a copy?
Each purchase includes the original certificate corresponding to that specific stone.

THE BOTTOM LINE

Your certificate is a detailed record of your moissanite's quality characteristics, verified through independent laboratory analysis. It provides transparency about what you're purchasing and serves as permanent documentation of your gemstone's specifications.

The grading confirms that your stone meets established quality standards for color, clarity, and cut—the factors that determine its visual beauty and light performance.

Your gemstone. Your documentation. Your confidence.