Probable Simulant (Cubic Zirconia or glass)
Probable Simulant (Cubic Zirconia or glass) · Round Brilliant
Fair to Poor Cut

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