Probable Simulant (Cubic Zirconia or glass)

Probable Simulant (Cubic Zirconia or glass) · Round Brilliant

Fair to Poor Cut

Probable Simulant (Cubic Zirconia or glass) - Round Brilliant

Carat

Estimated 1.50 - 2.00 carats (based on pavilion depth and diameter)

Color

Estimated D-E (Colorless)

Clarity

Estimated IF to VVS2 (Internally Flawless)

Shape

Round Brilliant

Overall Assessment

The stone exhibits visual characteristics inconsistent with natural diamond, specifically rounded facet junctions and excessive dispersion. It is likely a simulant used for costume jewelry.

Cut Quality

Fair to Poor

Brilliance

Moderate

Fire

High chromatic dispersion visible

Scintillation

Low; many dark 'extinction' areas suggesting poor light return

Proportions

High crown and deep pavilion indicated by the side profile

Symmetry

Fair

Polish

Fair

Fluorescence

Indeterminable via image

Inclusions

None visible at 1x magnification; lack of natural inclusions suggests non-natural origin

Blemishes

Minor surface abrasions on facets; rounded facet junctions

Origin

Synthetic lab-manufactured simulant

Treatment Detection

None visible; material appears consistent with CZ or glass

Estimated Value

$10 - $50 USD (Replacement value for high-end CZ)

Certification Estimate

Unlikely to be accepted by GIA; potentially an IGI or generic appraisal for synthetic materials

Investment Potential

None; purely decorative/fashion value

Similar Diamonds

Standard high-dispersion cubic zirconia simulants

Setting Suggestions

Currently in a six-prong silver-toned solitaire setting

Care & Maintenance

Avoid harsh chemicals; clean with soft cloth and warm soapy water

Interesting Facts

Cubic Zirconia has a higher rate of dispersion than natural diamond, causing more 'rainbow' flashes, but significantly lower hardness

Identified on 6/14/2026