gemstone

Ornamental ring with likely blue sapphire and diamonds

Blue corundum (sapphire), Al₂O₃; surrounding stones appear diamond, C, set in gold-colored metal

AI-generated identification · may be incorrect

The central stone appears transparent blue with vitreous luster and faceted cut; sapphire hardness is Mohs 9, specific gravity about 4.0, and no cleavage. The surrounding bright stones may be diamonds (Mohs 10), though image quality prevents confirmation; the setting appears gold alloy or gold-plated metal.

Identified September 12, 2026More gemstone →

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At a glance

Common name: Ornamental ring with likely blue sapphire and diamonds
Scientific name: Blue corundum (sapphire), Al₂O₃; surrounding stones appear diamond, C, set in gold-colored metal
Category: gemstone
Identified: September 12, 2026
Method: Standard

AI Estimated Value

Approximately $50–$500 if synthetic or imitation stones in plated metal; about $500–$10,000+ for a genuine sapphire-and-diamond ring, depending on stone quality, treatment, carat weight, and gold purity.

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

Natural sapphire forms in aluminum-rich metamorphic rocks or certain igneous deposits over geological timescales; gem-quality stones commonly derive from metamorphic environments. The ring itself is a human-made jewelry setting, likely modern.

Uses & applications

Used primarily as ornamental jewelry; sapphire and diamond rings can have substantial gem and precious-metal value. Gold settings are also valued for their alloy content.

Geological facts

Blue sapphire’s color usually comes from iron and titanium impurities. Reliable identification requires loupe inspection, refractive-index testing, specific-gravity testing, and metal hallmark examination.

Field identification & locations

Common sapphire sources include Sri Lanka, Myanmar, Kashmir, Madagascar, and Australia; diamonds occur worldwide in kimberlite-related deposits. Do not rely on color alone—check for a hallmark and obtain a gemological report.