Cubic Zirconia / Glass / Costume Jewelry Rhinestones
Cubic Zirconia / Glass / Costume Jewelry Rhinestones · Mixed (Round Brilliant and Baguette/Step Cut cluster)
Good (typical machine-cut costume stones) Cut

Carat
Not applicable (simulated stones in costume jewelry)
Color
Colorless / Near-colorless imitation
Clarity
Not applicable to costume rhinestones
Shape
Mixed (Round Brilliant and Baguette/Step Cut cluster)
Overall Assessment
The items shown are vintage costume jewelry earrings containing glass rhinestones or synthetic simulants set in a multi-stone cluster design, rather than genuine fine-jewelry diamonds.
Cut Quality
Good (typical machine-cut costume stones)
Brilliance
Moderate
Fire
Low to moderate (characteristic of glass rhinestones or lower dispersion simulants)
Scintillation
Fair cluster sparkle
Proportions
Standard commercial cluster setting proportions
Symmetry
Fair to good
Polish
Fair
Fluorescence
None to faint under normal observation
Inclusions
None (glass or synthetic simulant)
Blemishes
Minor surface wear consistent with vintage costume jewelry
Origin
Mass-produced vintage costume jewelry piece
Treatment Detection
Foil backing commonly used in vintage rhinestone clusters
Estimated Value
Low vintage costume jewelry value ($20 - $50 for the pair)
Certification Estimate
Not certified by gemological laboratories
Investment Potential
None (decorative fashion item only)
Similar Diamonds
Mid-century vintage rhinestone costume earrings
Setting Suggestions
Retain in original vintage cluster clip-on or screw-back earring mountings
Care & Maintenance
Keep away from water and harsh chemicals to preserve foil backing and metal plating
Interesting Facts
Cluster earrings featuring mixed-cut rhinestones were extremely popular in mid-century costume jewelry design, particularly from designers like Weiss or Juliana.