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Showing articles for: "gem"
598 articles found showing 41–50
A World of Red Gemstones: Beauty in Every Shade
Explore six beautiful red gemstones, including ruby, red spinel, rhodolite garnet, rubellite tourmaline, carnelian, and red jasper. Learn about their colors, hardness, treatments, quality factors, and...
Coloured Gemstones in 2026: Rising Demand, Shrinking Supply, and the New Rules of a Rarer Market
Explore the coloured gemstone market in 2026, including demand, supply shortages, sapphire, ruby, emerald, spinel, pricing trends, sourcing, and buying insights.
Gemstone Zoning: Nature’s Hidden Color Pattern
Discover how color zoning forms in gemstones, what it reveals about crystal growth, which gems display it, and why zoning can influence beauty, value, origin, and identification.
Citrine: A Gemstone in Shades of Sunshine – The Complete Guide
Discover citrine's golden colors, geological origins, history, value factors, treatments, sources, and care tips. Learn how natural and heat-treated citrine differ and how citrine compares with yellow...
Moonstone: The Gemstone with a Magical Glow, Complete Guide to Adularescence, Colors, and Value
Discover everything about moonstone, including its magical adularescence, geological formation, color varieties, June birthstone significance, hardness, value, care tips, and how to identify high-qual...
The Guide to Ruby Quality: How to Identify, Price, and Buy the World's Most Precious Gemstone
Why Rubies Are the Most Valuable Colored Gemstones: Rarity, Price, Origin & Buying Guide (2026)
The Ultimate Guide to the World's Most Valuable Gemstones: Rarity, Value, and Investment
Most Valuable Gemstones in the World: Rarity, Value & Investment Guide
The World’s Most Famous & Expensive Gemstones, Ranked by Color: A Collector’s Guide to Value & Rarity
Most Expensive Gemstones in the World | Color, Rarity & Value Guide
💎 What Does “Carat” Really Mean? The Ultimate Guide to Gemstone Weight
What Is a Carat? History, Meaning & Importance Explained | CaratX
The Mohs Scale Decoded: The Ultimate Guide to Gemstone Hardness and Durability in Fine Jewelry 💎
This definitive guide explains the Mohs Scale of Mineral Hardness and why gemstone hardness is critical in jewelry selection and care.