Synthetic Gemstones
Learn what a synthetic gemstone is and what the difference is between synthetics, treatments and imitations.
Hybrid Gemstones: Glass Rubies and More
Some gems contain both natural and lab-made components. Learn about these hybrid gemstones and how to distinguish them from mined...
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Synthetic Aquamarines
Synthetic aquamarines are relatively rare, but gemologists may encounter them. Learn how these stones are made and how to distinguish...
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Understanding Gem Synthetics, Treatments, and Imitations, Part 5: Gemstone Treatments
Identifying gemstone treatments is difficult even for experienced gemologists. Learn about the many different ways gem color and clarity are...
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What’s the Difference Between Synthetic, Simulated, and Created Gemstones?
What's the difference between synthetic, simulated, and created gemstones? Learn the definitions (and gray areas) of these commonly used terms....
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Lab-Grown Diamonds FAQ
Lab-grown diamonds are becoming popular options for engagement ring stones. Learn the truth about these gems in our FAQ and...
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Identifying Lab-Made Emeralds
Mined emeralds are expensive, so lab-made emeralds are an attractive option for consumers. Learn how these synthetic gems are made...
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Gemstone Doublets, Triplets, and Other Assembled Stones
Made from two or more materials, assembled gems can make durable and affordable jewelry. Learn more about gemstone doublets, triplets,...
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Synthetic Opal Types
Distinguishing synthetic opal from a mined gem is a vital skill for opal dealers. Learn about five different types of...
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Understanding Gem Synthetics, Treatments, And Imitations, Part 2: Crystal Growth
Learn about the different crystal growth methods used to artificially create gemstones in laboratories.
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Understanding Gem Synthetics, Treatments, And Imitations, Part 3: Synthetic Diamond
Learn about synthetic diamond creation and the challenges buyers face determining whether a diamond is natural or artificial.
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Understanding Gem Synthetics, Treatments, And Imitations, Part 4: Synthetic Gemstone Guide
Many varieties of gems besides diamond can be created in the laboratory. Our synthetic gemstone guide covers many examples and...
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Identifying Synthetic Spinel
Synthetic spinel is a widely used jewelry stone. Learn how gemologists can identify lab-made flame-fusion, flux, and Czochralski spinels.
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Are Man-Made Gemstones Real?
Get the insight of Jeff on all your questions and concerns about Gemstones. This "Just ask Jeff" article talks about...
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Understanding Gem Synthetics, Treatments, And Imitations, Part 1: An Introduction
Tech advances and market forces make it essential for gem buyers to know the science behind synthetic gemstones and gem...
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Synthetic Gemstone Inclusions
Identifying lab-created gems is a critical skill for gemologists. Learn how to spot the most common synthetic gemstone inclusions.
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