GeM is the National Public Procurement Portal; an end-to-end online Marketplace for Central and State Government Ministries / Departments, Central & State Public Sector Undertakings, Autonomous …

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Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.

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Articles about gemstones written by a GIA Graduate Gemologist. Each article includes photos and information about the gem's physical properties and geologic origin.

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Mar 12, 2026 · Gemstone, any of various minerals highly prized for beauty, durability, and rarity. A few noncrystalline materials of organic origin (such as pearl and amber) also are classified as …

Get Gemology Insights Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!

Our wide collection of gemstones jewelry, diamond rings, wedding rings, pendants, earrings, and more has been carefully curated for stunning quality.

The gemopedia is the gemstone encyclopedia for any and all gemstones found across the globe. Find the facts, varieties, physical properties.