gemstone

Red faceted gemstone ring

Likely synthetic ruby or red spinel; exact identification requires testing

AI-generated identification · may be incorrect

Small transparent deep-red square-cut stone in a metal setting; likely Mohs 8–9 (ruby/corundum) or 8 (spinel), with vitreous luster and no visible cleavage. The ring’s silver-colored band is non-geological metal.

Identified August 26, 2026More gemstone →

Explore Red faceted gemstone ring in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

At a glance

Common name: Red faceted gemstone ring
Scientific name: Likely synthetic ruby or red spinel; exact identification requires testing
Category: gemstone
Identified: August 26, 2026
Method: Standard

AI Estimated Value

Approximately $20–$150 if synthetic or imitation; $100–$2,000+ for a natural commercial ruby/spinel, depending strongly on size, treatment, provenance, and metal.

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

Ruby is crystalline aluminum oxide (corundum, Al₂O₃), while spinel is magnesium aluminum oxide (MgAl₂O₄); both form in high-temperature metamorphic or igneous environments, with synthetic versions grown industrially. The image cannot establish geological age or natural versus lab-grown origin.

Uses & applications

Used primarily in jewelry; ruby has substantial gem value, whereas synthetic ruby or red spinel is generally affordable. The setting may be silver, white gold, or another alloy.

Geological facts

Ruby commonly shows chromium-related red color; spinel can resemble ruby but is typically singly refractive. Confirmatory tests include refractive index, spectroscopy, inclusions, and specific gravity.

Field identification & locations

A loupe may reveal natural inclusions, but visual inspection is insufficient; do not use scratch tests on the ring. Common natural sources include Myanmar, Mozambique, Sri Lanka, Vietnam, and Tanzania.