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Many gemstones today are treated with various methods to improve color and quality. Learn about the latest treatments and how they are detected.
Gemstone Treatments are nothing new, but beryllium gemstone enhancements (Be heated) to improve color is a recent innovation that has made gems more afford...
Gem treatments should always be disclosed, but not all enhancements can be detected, even by the best gem labs
Diffusion treatment of gemstones is controversial, and may affect the ability to recut the stone in the future.
Natural emeralds tend to have surface-reaching fissures and are treated with oils, resins or polymers
Fracture filling is a common enhancement for emeralds, turquoise and a number of other gemstones. Learn about fracture filling and other gem enhancements a...
Why are so many fracture-filled rubies being offered in the market? Should you buy one?
The Federal Trade Commission defines the rules for disclosing gemstone treatments. These rules may not go far enough
Stabilization and impregnation are gemstone enhancements that improve the hardness, density, color and durability of naturally fragile gemstones, especiall...
The term -gentle heat- for the heat treatment of sapphire and ruby is seriously misleading, and should be avoided
Some gemstones are routinely heated to improve their color and clarity. Learn how heat treatment works and how it can be detected.
All about the irradiation of gemstones to improve their color.
Beryllium-treated sapphires created a scandal when first introduced to the market.
Some varieties of gemstones are never treated, and they represent exceptional value in today's gem market.