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

Not a diamond; this is a millefiori art glass cabochon. - Oval cabochon

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.

Identified on 9/3/2026