gemstone

Gold ring with a clear faceted gemstone

Likely diamond (crystalline carbon, C); identification is uncertain from the image

AI-generated identification · may be incorrect

The ring appears to have a yellow-gold setting and a small colorless, faceted stone. Diamond is Mohs 10 with adamantine luster and cubic structure; the stone’s identity and gold purity cannot be verified visually.

Identified October 12, 2026More gemstone →

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Physical properties

Formation & geological history

If diamond, it formed deep in Earth’s mantle under high pressure and temperature, commonly billions of years ago, and reached the surface in volcanic kimberlite or lamproite. The ring is a human-made setting.

Uses & applications

Jewelry; gold and diamond are also valued as precious materials and collectibles.

Geological facts

A jeweler can test the stone and determine whether the setting is solid gold, gold-filled, or plated.

Field identification & locations

The image shows a mounted stone, so field identification is not possible; inspect hallmarking and have the gem tested professionally. Diamonds occur in deposits worldwide, notably in southern Africa, Russia, Canada, and Australia.