Likely Diamond Simulant (e.g., Cubic Zirconia or Moissanite)
Likely Diamond Simulant (e.g., Cubic Zirconia or Moissanite) · Emerald or Radiant Cut (Rectangular Step/Mixed)
Fair to Good based on visible facet patterns Cut

Carat
Estimated 2.0 - 3.0 carats based on visual proportions
Color
Visual assessment suggests D-F (Colorless)
Clarity
Indeterminate due to blur, likely Eye Clean
Shape
Emerald or Radiant Cut (Rectangular Step/Mixed)
Overall Assessment
This stone exhibits high dispersion and geometric faceting typical of a modern diamond simulant rather than a natural specimen. A professional thermal or electrical conductivity test is required for definitive identification.
Cut Quality
Fair to Good based on visible facet patterns
Brilliance
High, though visual noise in the image obscures detail
Fire
Very high; strong rainbow dispersion visible in the lower facets suggesting high refractive index
Scintillation
Moderate to high based on light pattern
Proportions
Standard rectangular proportions with sharp corners
Symmetry
Good
Polish
Good
Fluorescence
Hard to determine, but high dispersion suggests potential moissanite properties
Inclusions
No obvious inclusions visible at this resolution; potentially Internally Flawless if simulant
Blemishes
Minor surface abrasions possible near the crown
Origin
Synthetic/Lab-manufactured
Treatment Detection
None visible; likely uniform material
Estimated Value
$20 - $50 (if CZ) to $400 - $800 (if Moissanite)
Certification Estimate
Likely would not receive a GIA diamond report if simulant; perhaps an appraisal only
Investment Potential
Low; simulants generally do not retain resale value
Similar Diamonds
Compare with high-end Cubic Zirconia or Lab-Grown Moissanite
Setting Suggestions
Best suited for a four-prong solitaire setting in 14k White Gold or Platinum
Care & Maintenance
Clean with warm soapy water and a soft brush to maintain surface luster
Interesting Facts
The intense rainbow 'fire' is often more characteristic of Moissanite than natural diamond