Likely Cubic Zirconia or alternative stimulant
Likely Cubic Zirconia or alternative stimulant · Round Brilliant
Fair to Good Cut

Carat
0.05 - 0.10 carats per stone
Color
Colorless (Estimated D-E equivalent)
Clarity
Eye Clean (Estimated VVS equivalent)
Shape
Round Brilliant
Overall Assessment
These appear to be decorative small round brilliant stimulants, most likely Cubic Zirconia, set in a vintage-style floral jewelry mounting. They provide good sparkle for fashion jewelry but lack the crystalline structure and refractive index and value of natural diamonds.
Cut Quality
Fair to Good
Brilliance
Moderate; lacks the sharp internal reflection of high-grade diamond
Fire
High; exhibits significant rainbow dispersion
Scintillation
Moderate with some dark zones in the center pattern
Proportions
Standard commercial melee proportions with slightly flat table and steep crown heights
Symmetry
Fair
Polish
Good
Fluorescence
Non-fluorescent (typical for stimulants)
Inclusions
No significant internal inclusions visible at this magnification
Blemishes
Slight surface abrasions and fuzziness typical of softer cubic zirconia material
Origin
Synthetic/Lab-manufactured
Treatment Detection
None detected; material appears as-manufactured
Estimated Value
$5 - $20 USD for the gemstone alone
Certification Estimate
Unlikely to be certified by GIA/AGS due to low carat weight and material type
Investment Potential
Very Low; primarily decorative or sentimental value
Similar Diamonds
Generic commercial grade diamond melee or moissanite accents
Setting Suggestions
Prong setting in yellow gold or gold-plated base metal as seen
Care & Maintenance
Ultrasonic cleaning or lukewarm soapy water with a soft brush
Interesting Facts
Cubic Zirconia has a higher dispersion rate than diamond, often causing it to show 'more color' in the sparkle.