Not a diamond; this is a millefiori art glass cabochon.
Not a diamond; this is a millefiori art glass cabochon. · Oval cabochon
Not applicable (smooth polished cabochon, not faceted) Cut

Carat
Not applicable (glass, approximately 3-5 carats by equivalent volume)
Color
Multicolor fancy mix
Clarity
Translucent to opaque glass with embedded cane designs
Shape
Oval cabochon
Overall Assessment
This item is an attractive piece of millefiori art glass, commonly used in jewelry and decorative arts, and bears no gemological relation to a diamond.
Cut Quality
Not applicable (smooth polished cabochon, not faceted)
Brilliance
Vitreous luster, low white light reflection compared to diamond
Fire
None
Scintillation
None
Proportions
Standard domed cabochon profile with flat base
Symmetry
Good symmetrical domed oval shape
Polish
Good vitreous polish
Fluorescence
Variable depending on glass composition
Inclusions
Internal glass canes forming mosaic flower patterns
Blemishes
Minor surface wear consistent with handcrafted art glass
Origin
Likely Venetian (Murano, Italy) or contemporary studio glass art
Treatment Detection
Standard handmade art glass fabrication techniques
Estimated Value
Low commercial value (typically $5 to $25 USD)
Certification Estimate
Not gradable by diamond grading laboratories (GIA/IGI); evaluated as decorative art glass
Investment Potential
Decorative or collectible only, not an investment-grade gemstone
Similar Diamonds
None, as this is glass
Setting Suggestions
Bezel set in sterling silver or brass for artistic pendants or rings
Care & Maintenance
Avoid harsh chemicals, ultrasonic cleaners, and hard impacts to prevent chipping the glass
Interesting Facts
Millefiori translates to 'thousand flowers' in Italian, created by heating bundles of colored glass canes and pulling them into cross-sections.