Simulant (Likely Cubic Zirconia)

Simulant (Likely Cubic Zirconia) · Round Brilliant

Fair to Good Cut

Simulant (Likely Cubic Zirconia) - Round Brilliant

Carat

1.00 - 1.25 carats (estimated based on visual spread)

Color

D (Colorless)

Clarity

Equivalent to IF (Internally Flawless) visually

Shape

Round Brilliant

Overall Assessment

This specimen presents the visual characteristics of a synthetic simulant, likely Cubic Zirconia, rather than a natural or lab-grown carbon diamond. Its perfect colorless appearance and lack of inclusions combined with the specific light dispersion patterns are hallmark indicators of CZ.

Cut Quality

Fair to Good

Brilliance

High (White light return)

Fire

Very High (Shows excessive spectral colors typical of CZ compared to diamond)

Scintillation

Moderate; the facet pattern is sharp but lacks the depth of a natural diamond

Proportions

Standard modern proportions with slightly shallow crown

Symmetry

Good

Polish

Good

Fluorescence

None

Inclusions

No visible internal inclusions; extremely high clarity characteristic of synthetics

Blemishes

Minor surface abrasions consistent with softer simulant material

Origin

Factory manufactured (Synthetic Simulant)

Treatment Detection

None detected; homogeneous material

Estimated Value

$10 - $30 USD

Certification Estimate

N/A (Simulants are generally not graded by GIA/AGS as diamonds)

Investment Potential

None; simulant stones do not hold resale or investment value

Similar Diamonds

High-quality CZ or Moissanite

Setting Suggestions

Fashion jewelry setting; silver or low-karat gold plating

Care & Maintenance

Clean with mild soap and water; avoid harsh chemicals and abrasive surfaces as CZ scratches more easily than diamond

Interesting Facts

Cubic Zirconia has a higher dispersion rate than diamond, causing it to display more 'fire' or rainbow flashes under light

Identified on 6/28/2026
Simulant (Likely Cubic Zirconia) Round Brilliant | Diamond Identifier