gemstone

Pearl-and-gemstone insect brooch

Pearl: nacre (aragonite, CaCO₃); colored stones are likely synthetic or natural corundum/spinel/glass, not determinable from the image

AI-generated identification · may be incorrect

The large white bead appears to be a cultured pearl with an iridescent nacreous luster; hardness is about 2.5–4.5 Mohs. The pink and green accents are faceted, mounted stones, while the metal setting is non-geological.

Identified August 12, 2026More gemstone →

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At a glance

Common name: Pearl-and-gemstone insect brooch
Scientific name: Pearl: nacre (aragonite, CaCO₃); colored stones are likely synthetic or natural corundum/spinel/glass, not determinable from the image
Category: gemstone
Identified: August 12, 2026
Method: Standard

AI Estimated Value

Approximately $10–$150 for a costume or common cultured-pearl brooch; higher values require confirmed fine pearls, precious-metal construction, and natural gemstones.

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

Pearls form when nacre is deposited concentrically around an irritant inside a mollusk; cultured examples generally form over 6 months–several years. The brooch itself is a modern human-made jewelry object.

Uses & applications

Used as decorative jewelry and a collectible fashion accessory; pearl quality depends on luster, surface quality, shape, size, and nacre thickness.

Geological facts

The image likely shows a cultured freshwater or akoya-style pearl rather than a solid natural pearl. A drill-hole, uniformity, and nacre appearance can help distinguish it from imitation plastic or glass.

Field identification & locations

Pearl identification requires examining orient, surface texture, weight, and an X-ray or professional nacre test; the colored stones cannot be identified reliably visually. Pearls are produced mainly in China, Japan, Australia, Indonesia, and French Polynesia.