Cubic Zirconia or Simulated Gemstone
Cubic Zirconia or Simulated Gemstone · Round Brilliant
Good to Very Good Cut
Carat
Estimated 0.25 to 0.40 carats
Color
Colorless (D-F range equivalent)
Clarity
Eye-Clean (likely IF to VVS equivalent)
Shape
Round Brilliant
Overall Assessment
The stone appears to be a synthetic simulant such as Cubic Zirconia rather than a natural diamond, based on its high dispersion and lack of natural inclusions.
Cut Quality
Good to Very Good
Brilliance
High surface luster
Fire
High dispersion of spectral colors
Scintillation
Moderate sparkle pattern
Proportions
Standard round brilliant proportions
Symmetry
Good
Polish
Very Good
Fluorescence
Indeterminate from visual inspection
Inclusions
No visible internal inclusions at this magnification
Blemishes
Minor surface scratches or dust visible
Origin
Laboratory manufactured
Treatment Detection
None detected; likely an untreated synthetic material
Estimated Value
$5 - $50 (assuming synthetic simulant)
Certification Estimate
Unlikely to be graded by major labs like GIA; possibly IGI as lab-grown if not a simulant
Investment Potential
None; synthetic simulants lose most resale value
Similar Diamonds
CZ fashion jewelry earrings or small lab-grown pendants
Setting Suggestions
Currently in a simple white metal adhesive or temporary mount; recommended for low-cost costume jewelry settings
Care & Maintenance
Clean with mild soap and water; avoid harsh chemicals which can dull the surface of simulants
Interesting Facts
Cubic Zirconia was first widely popularized in the late 1970s as an affordable diamond alternative