Cubic Zirconia / Glass Simulants
Cubic Zirconia / Glass Simulants · Round (accent stones)
Fair to Good (typical for costume jewelry paste stones) Cut
Carat
Less than 0.01 carats per accent stone
Color
Near Colorless (simulated)
Clarity
VS (simulated)
Shape
Round (accent stones)
Overall Assessment
The stones analyzed are small simulant accent stones (paste/glass or low-end cubic zirconia) rather than genuine diamonds, functioning purely as decorative elements within a vintage costume jewelry brooch.
Cut Quality
Fair to Good (typical for costume jewelry paste stones)
Brilliance
Low to Moderate due to simulant material properties
Fire
Low (typical for glass or low-end synthetic simulants)
Scintillation
Limited flash due to small size and simulant nature
Proportions
Not standard or optimized for optical performance
Symmetry
Fair
Polish
Fair
Fluorescence
None to Faint
Inclusions
None visible to the naked eye; possible internal bubbles typical of glass simulants
Blemishes
Minor surface wear consistent with vintage costume jewelry
Origin
Mass-produced synthetic simulant stones, likely manufactured for vintage costume jewelry
Treatment Detection
None detected (standard untreated costume piece)
Estimated Value
Minimal monetary value as individual stones; overall vintage brooch value estimated between $20 to $50
Certification Estimate
Not applicable for costume jewelry components; no major lab (GIA/AGS) would grade these
Investment Potential
None; purely decorative vintage fashion accessory
Similar Diamonds
Standard vintage rhinestones or paste stones found in mid-century costume jewelry
Setting Suggestions
Currently set in a vintage-style gold-tone base metal heraldic brooch
Care & Maintenance
Keep away from moisture, harsh chemicals, and ultrasonic cleaners to protect the vintage gold-tone plating and glued-in stones
Interesting Facts
The piece appears to be a vintage heraldic or military-inspired costume brooch featuring a central cabochon (possibly synthetic moonstone or glass), surrounded by faux pearls and small paste accent stones