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

Cubic Zirconia / Glass / Costume Jewelry Rhinestones - Mixed (Round Brilliant and Baguette/Step Cut cluster)

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.

Identified on 9/15/2026