Gem Treatments & Enhancements
Processes that alter color, clarity, or stability. Covers disclosure standards, durability impacts, and how treatments affect pricing.
Universal Glossary
3 entries-
Abrasive Finishing
Learn about abrasive finishing in gemology - the techniques, materials, and importance of shaping and polishing gemstones for maximum beauty and value.
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Annealing
Learn about gemstone annealing, a heat treatment process to enhance color, clarity, and durability. Understand its impact on value, care, and what buyers need to know.
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Assaying
Understand gemstone assaying, treatments, and enhancements. Learn about heat, irradiation, filling, and dyeing processes and their impact on gem value.
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Beryllium Diffusion
Discover the details of beryllium diffusion, a gem treatment that creates vibrant colors. Learn how it works, its impact on value, and what buyers need to know.
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Bleaching
Learn about gemstone bleaching, a process used to lighten or remove color, primarily in pearls and corals. Discover how it works, its impact on value, and what buyers should know.
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Bleaching Treatment
Learn about gemstone bleaching, a common treatment to lighten colors in pearls and corals. Understand how it works, its impact on value, and what buyers need to know.
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Clarity Enhancement
Explore gemstone clarity enhancement: how treatments like fracture filling improve appearance, their impact on value, care tips, and what buyers need to know.
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Clear Resin Impregnation
Learn about clear resin impregnation in gemstones. Understand how this treatment improves clarity and durability, its pros and cons, and what to look for when buying.
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Coating
Learn about gemstone coating: how it enhances appearance, affects value, different types, care tips, and what buyers need to know.
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Coating Enhancement
Discover gemstone coating treatments: how they enhance color and appearance, types like PVD, value factors, and essential care for durability.
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Coating Process
Learn about gemstone coating, a surface treatment that enhances color and appearance. Understand how it's made, its pros and cons, and what to consider when buying.
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Color Center Treatment
Learn about color center treatments in gemstones: how they work, common gems treated (like topaz, diamonds), durability, value, and buying tips.
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Colorless Oil Filling
Learn about colorless oil filling, a gemstone treatment enhancing clarity. Understand how it works, its pros/cons, care, and value implications.
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Diffusion Treatment Disclosure
Understand diffusion treatment for gemstones: how it works, types, value, care, and what buyers need to know. Essential gemological information.
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Dyeing
Learn about gemstone dyeing, a common enhancement process. Discover how it works, which gems are treated, its impact on value, and what buyers need to know.
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Enameling
Explore enameling in jewelry: how it's made, types like cloisonné and plique à jour, its history, value factors, and care tips for enameled pieces with gemstones.
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Fracture Filling
Learn about fracture filling in gemstones: how it improves clarity and durability, common materials, care tips, value impact, and what buyers need to know.
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Fracture Sealing
Learn about fracture sealing in gemstones: how it works, types of fillers (resin, glass), impact on clarity, durability, value, and care for treated gems.
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Glass Filling
Learn about glass filling in gemstones: how it works, which gems are treated (especially emeralds), its impact on value, care, and buying tips.
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HPHT Treatment
Discover how HPHT (High Pressure High Temperature) treatment enhances diamonds and colored gemstones, its impact on value, and what buyers need to know.
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Heat Treatment
Understand gemstone heat treatment: how it works, affected gems, impact on value & durability, disclosure, and what buyers should know. Essential guide for jewelry lovers.
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Irradiation
Learn about gemstone irradiation, a common treatment to enhance color in gems like topaz and diamonds. Understand how it works, its value, and what to ask when buying.
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Irradiation Enhancement
Learn about irradiation enhancement in gemstones. Understand how it changes color, which gems are treated, its value, and buyer considerations.
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Laser Drilling
Learn about laser drilling in gemstones: how it works, types, value impact, care, and what to know when buying treated stones.
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Lattice Diffusion
Learn about lattice diffusion, a gemstone enhancement process that alters color by heating gems with specific elements. Discover its impact on value, care, and buying tips.
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Lattice Diffusion Treatment
Learn about lattice diffusion, a heat treatment that enhances gemstone color by infusing elements into the crystal lattice. Understand its pros, cons, value, and care.
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Lattice Filling
Understand lattice filling, a common gemstone enhancement for clarity. Learn how it works, its impact on value, durability, and what buyers need to know.
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Lead Glass Filling
Learn about lead glass filling in gemstones like rubies and sapphires: how it works, durability, value, care, and what buyers need to know.
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Lubrication
Discover gemstone lubrication: How oils & resins fill fractures to improve clarity. Learn about types, value, care, and buying tips for treated gems.
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Lubrication Treatment
Learn about lubrication treatment in gemstones, including how it works, types of fillers (oil, resin), pros and cons, care, and buying advice.
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Oiling
Discover how gemstone oiling enhances color and clarity, its impact on value, and essential care tips for oiled gems like emeralds.
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Oiling Enhancement
Learn about oiling enhancement in gemstones, a common treatment to improve clarity. Discover how it works, its pros and cons, and what buyers need to know.
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Oiling Method
Learn about the oiling method for gemstones, a common clarity enhancement for emeralds and other gems. Understand how it works, its pros and cons, and care tips.
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Ozone Treatment
Learn about ozone treatment for gemstones: how it enhances color and clarity, common gems treated, value factors, and buying advice.
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Perovskite Treatment
Learn about Perovskite Treatment in gemstones. Clarify misconceptions, understand perovskite structure vs. gem treatments, and what to ask sellers.
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Plating
Learn all about jewelry plating: electroplating, gold, rhodium, vermeil, how it's made, care tips, and factors affecting its value and durability.
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Polishing
Learn about gemstone polishing, the process of refining surfaces to maximize brilliance, sparkle, and value. Understand its importance, techniques, and care.
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Radiation Treatment
Learn about radiation treatment in gemstones, how it enhances color, common gems treated (like blue topaz), and what buyers need to know about value and disclosure.
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Resin Filling
Learn about resin filling in gemstones like emeralds and rubies. Understand how it improves clarity & durability, its impact on value, and essential care tips.
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Resin Impregnation
Learn about resin impregnation in gemstones: how it works, which gems are treated, its impact on value, and care tips for buyers.
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Simulant
Learn about simulant gemstones, their definition, types, how they're made, and how to buy them. Discover the difference between simulants and synthetics.
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Stabilization
Learn about gemstone stabilization: how treatments improve durability, clarity, and value. Understand buying guides, care, and pros/cons of stabilized gems.
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Stabilization Treatment
Learn about gemstone stabilization treatments: what they are, how they work, types of fillers, impact on durability, value, and buying considerations for treated gems.
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Stabilized
Learn about gemstone stabilization treatments: how they improve durability and appearance, common methods, value factors, and buying advice.
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Stain Treatment
Learn about stain treatment in gemstones like turquoise & howlite. Understand the process, value impact, buying tips, and care for colored gems.
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Staining
Learn about gemstone staining, a treatment to improve color. Understand how it works, which gems are stained, its effect on value, and care tips.
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Surface Coating
Learn about surface coating in gemstones: how it works, types, value impact, care, and what buyers need to know. Full gemological guide.
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Surface Diffusion
Learn about surface diffusion in gemstones, a thermal process enhancing color. Discover how it works, common gems treated, value, care, and what buyers need to know.
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Surface Enhancement
Explore surface enhancement in gemstones. Learn about coatings, polishing, and other treatments that alter gem appearance and durability.
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Tension Treatment
Learn about tension treatment in gemstones, how it enhances clarity by reducing inclusions, its pros and cons, and what buyers need to know.
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Wipeable Filling
Learn about wipeable filling in gemstones, a temporary treatment to improve clarity, its pros/cons, care, and value. Essential for buyers.
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Wipeable Glass Filling
Learn about wipeable glass filling: a controversial gemstone treatment that fills fractures for clarity. Understand its pros, cons, value, and care.