Beryllium Diffusion Treatment in Sapphire: Color, Value, and Disclosure
Two years ago, a friend traveled to Thailand on business. Through a local intermediary, he purchased a yellow sapphire ring from a…
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Should You Buy a Diamond Ring With or Without Fluorescence?
When buying a diamond ring or other diamond jewelry, many consumers face the same question: Should you choose a diamond with fluorescence…
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How to Use a UV Light for Gemstone Testing: Fluorescence, Wavelengths, and Common Mistakes
For most jewelry and jade enthusiasts, a UV light is a familiar and useful auxiliary tool for gemstone testing. It mainly helps…
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Ruby and Sapphire Diffusion Treatment
Ruby and sapphire have long been important colored gemstones in the market. Natural gemstones often contain inclusions, fractures, or uneven color. As…
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Black Magnetic Stone Jewelry: What Is “Heidan” Stone Really Made Of?
The jewelry trade uses many names for stones and materials that sound natural, rare, or even therapeutic. One example is “Heidan stone,”…
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Cinnabar Jewelry: The Mineral Truth Behind Natural Cinnabar and Market Imitations
When it comes to red jewelry, ruby, red coral, and Nanhong agate may come to mind first. In recent years, however, Cinnabar…
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Kunzite: Tiffany’s Darling, Taylor’s Choice, and the Gem That Shuns the Sun
The discovery of kunzite added a stunning contender to the lavender gem family. It stands out from classic amethyst with a delicate,…
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Guangxi Nephrite: Discovering the Hidden Potential of Chinese “Seed” Jade
Last month, while scouting the market, I stumbled upon a few intriguing pieces of what appeared to be “Seed Jade” (Ziliaо). After…
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The Ultimate Map of Gemstones of China: Discover 300+ Varieties Across 600 Localities
When you hear the phrase “Gemstones of China,” what is the first image that comes to mind? Is it the silky luster…
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Does Purple Hetian Jade Truly Exist? Unveiling the Truth Behind “Taro Purple” Nephrite
Not long ago, a client walked into our studio with a strand of beads that immediately caught my eye—a striking, creamy “taro…
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Cui Qing Nephrite Jade: The “Dark Horse” Dominating the New National Standard
There is a long-standing proverb in the Chinese nephrite market: “When Hetian Jade carries a touch of emerald green, its value doubles.”…
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Smoky Purple Nephrite: A Rising Star Among Niche Hetian Jade Varieties
Smoky Purple Nephrite Jade is quickly emerging as one of the most sought-after niche varieties in today’s Hetian jade market. Following our…
