Likely Cubic Zirconia (Simulant)

Likely Cubic Zirconia (Simulant) · Round Brilliant

Good to Very Good (proportions appear slightly deep) Cut

Likely Cubic Zirconia (Simulant) - Round Brilliant

Carat

Estimated 1.5 - 2.0 carats based on finger proportion

Color

Likely D (Colorless)

Clarity

Likely VVS1 or Flawless (visually eye-clean)

Shape

Round Brilliant

Overall Assessment

The stone shows high dispersion and a glassy appearance characteristic of Cubic Zirconia rather than a natural or lab-grown diamond.

Cut Quality

Good to Very Good (proportions appear slightly deep)

Brilliance

High (appears slightly glassy compared to natural diamond)

Fire

High (strong rainbows visible, common in CZ)

Scintillation

Moderate to high

Proportions

Standard round proportions with a slightly large table and high crown

Symmetry

Good

Polish

High (typical of synthetic simulants)

Fluorescence

None visible

Inclusions

None visible under magnification; stone appears remarkably clear

Blemishes

Minor surface abrasions on facet edges, common in softer simulants

Origin

Synthetic/Lab-manufactured simulant

Treatment Detection

None noted; material is synthetic

Estimated Value

$10 - $50 (if confirmed as Cubic Zirconia)

Certification Estimate

Unlikely to be certified by GIA/AGS; IGI might grade for jewelry identification

Investment Potential

Very low; resale value is negligible

Similar Diamonds

Swarovski Zirconia or high-grade Moissanite

Setting Suggestions

Four-prong yellow gold stud setting

Care & Maintenance

Ultrasonic cleaning or mild soap and warm water; store away from harder gems like natural diamonds

Interesting Facts

Cubic Zirconia has been the most common diamond simulant since its mass production began in the 1970s.

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