gemstone

Colorless faceted gemstone (most likely synthetic cubic zirconia)

Cubic zirconia, ZrO₂ (likely synthetic); natural alternatives include quartz or diamond

AI-generated identification · may be incorrect

Round brilliant cut, transparent/colorless, adamantine luster, strong facet reflections, no visible inclusions. Cubic zirconia has Mohs hardness 8–8.5 and specific gravity ~5.6–6.0; the image alone cannot distinguish it reliably from diamond or glass.

Identified August 8, 2026More gemstone →

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At a glance

Common name: Colorless faceted gemstone (most likely synthetic cubic zirconia)
Scientific name: Cubic zirconia, ZrO₂ (likely synthetic); natural alternatives include quartz or diamond
Category: gemstone
Identified: August 8, 2026
Method: Standard

AI Estimated Value

About $1–$30 if cubic zirconia; $5–$100 if ordinary quartz; diamond value is impossible to estimate without carat weight, color, clarity, and laboratory certification.

Not an official valuation

AI estimate for general interest only — not an appraisal. Actual value depends on condition, provenance, and market demand. Verify with a professional before buying, selling, or insuring.

This identification was generated by AI and may contain errors. Verify important details before relying on them — and never use an AI result to judge whether a specimen is safe to handle. Read the full disclaimer

Physical properties

Formation & geological history

Cubic zirconia is laboratory-grown zirconium dioxide, not a natural rock; natural zirconia is extremely rare. If quartz, it formed in silica-rich igneous or hydrothermal systems; diamond formed deep in Earth’s mantle.

Uses & applications

Used in costume jewelry and as a diamond simulant; cut stones may be worth modest amounts. A verified diamond would have vastly higher value.

Geological facts

The pronounced rainbow flashes and relatively broad, slightly soft-looking facet reflections favor cubic zirconia over diamond, though lighting and photography affect this assessment.

Field identification & locations

Likely a manufactured jewelry stone rather than a field-collected geological specimen. Confirm with a gemologist using thermal/electrical conductivity, refractive index, magnification, and specific gravity tests; avoid scratch testing.