gemstone

Colorless faceted gemstone (likely glass or cubic zirconia)

Likely cubic zirconia, ZrO₂; exact identification is uncertain from the photograph

AI-generated identification · may be incorrect

Colorless, transparent, strongly brilliant, and faceted with high surface luster. Cubic zirconia has Mohs hardness about 8–8.5, cubic crystal structure, no cleavage, and specific gravity about 5.6–6.0; glass is softer (about 5–6) and lighter.

Identified September 16, 2026More gemstone →

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At a glance

Common name: Colorless faceted gemstone (likely glass or cubic zirconia)
Scientific name: Likely cubic zirconia, ZrO₂; exact identification is uncertain from the photograph
Category: gemstone
Identified: September 16, 2026
Method: Standard

AI Estimated Value

About $1–$30 for ordinary cubic zirconia; under $5 if glass. A professional gemological identification is recommended before assigning higher value.

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

If cubic zirconia, it is laboratory-grown zirconium dioxide rather than a natural geological specimen; natural zircon is rare and forms in igneous rocks. The visible item appears cut and polished, with no geological age applicable to the manufactured stone.

Uses & applications

Used as an inexpensive diamond simulant in jewelry and decorative items. Natural zircon is also a gemstone and an important geochronological mineral, but this appearance is more consistent with a simulant.

Geological facts

Cubic zirconia commonly shows strong rainbow “fire” and may look slightly less crisp than diamond. A loupe, refractometer, thermal tester, and specific-gravity measurement are needed for reliable separation from diamond, zircon, and glass.

Field identification & locations

Look for facet wear and scratches: glass scratches more readily, while cubic zirconia remains relatively durable. Commonly sold worldwide as jewelry; the image alone cannot confirm composition or rule out glass.