Likely Simulant (Cubic Zirconia or Yellow Quartz/Citrine)

Likely Simulant (Cubic Zirconia or Yellow Quartz/Citrine) · Radiant cut center stone with pear-shaped side accents

Good Cut

Likely Simulant (Cubic Zirconia or Yellow Quartz/Citrine) - Radiant cut center stone with pear-shaped side accents

Carat

Estimated 2.5 to 3.0 carats (center stone)

Color

Fancy Intense to Fancy Vivid Yellow (simulated)

Clarity

Visually eye-clean, likely equivalent to IF-VVS (simulated)

Shape

Radiant cut center stone with pear-shaped side accents

Overall Assessment

The piece appears to be a high-quality fashion ring featuring a large radiant-cut yellow simulant. While it mimics the look of a rare Fancy Vivid Yellow diamond, the light dispersion and facet sharpness suggest it is a synthetic simulant.

Cut Quality

Good

Brilliance

High white light reflection consistent with simulated material

Fire

Very high; rainbow-like dispersion characteristic of Cubic Zirconia

Scintillation

Broad flash pattern typical of radiant cuts

Proportions

Standard radiant proportions with slightly high crown

Symmetry

Good

Polish

Good

Fluorescence

Indeterminate from image; typical simulants show none or inert

Inclusions

No visible internal inclusions at this magnification; typical of high-grade simulants

Blemishes

Minor surface wear visible on facet junctions

Origin

Synthetic/Man-made

Treatment Detection

N/A - synthetic material

Estimated Value

$50 - $200 USD (assuming costume jewelry/simulant)

Certification Estimate

Unlikely to be certified by GIA; would likely be labeled as a stimulant by smaller labs

Investment Potential

Low; primarily decorative/fashion value

Similar Diamonds

Fancy Vivid Yellow Natural Diamonds or Lab-Grown Yellow Radiants

Setting Suggestions

Current yellow gold-tone prongs complement the yellow center; would look elegant in 18k yellow gold

Care & Maintenance

Clean with warm soapy water and a soft brush; avoid harsh chemicals

Interesting Facts

The radiant cut was the first square cut to have a complete brilliant facet pattern on both the crown and pavilion

Identified on 5/7/2026