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A fracture in a diamond is a break, crack, or separation within or extending from the stone. Fractures can form naturally during growth or later through stress, impact, cutting, setting, or wear, and they may vary greatly in size and visibility.
What Is a Fracture?
In gemology, a fracture describes an actual break rather than a normal crystal-growth feature. Some fractures reach the surface, while others remain internal. Their appearance can range from fine lines to larger reflective features.
Key Characteristics of a Fracture
Gemologists consider location, size, depth, orientation, surface reach, visibility, and any associated stress. Fractures near thin edges, corners, or setting pressure points may deserve additional attention.
How a Fracture Affects Diamond Appearance or Value
A visible fracture can affect clarity and may influence durability depending on its position and extent. Larger or strategically located fractures can have a greater impact than small internal features that do not threaten structural integrity.
What to Consider When Buying a Diamond with a Fracture
Review the grading report, inspect the stone under magnification, and ask whether any fracture is surface-reaching or positioned near vulnerable areas. A qualified jeweler or gemologist can help evaluate whether it presents a practical durability concern.
Related Diamond Terms
- Feather: A common diamond-clarity term for a fracture-like inclusion that can have a whitish or feathered appearance.
- Clarity: The evaluation of internal and external characteristics in a diamond.
- Inclusion: An internal feature or material contained within a gemstone.
- Durability: A gemstone’s ability to resist scratching, chipping, breaking, and wear.
For further learning, explore the Custom Karat Jewelry Glossary and Diamond Terminology.
About Author Brijesh Sharma
Brijesh Sharma is a jewelry retail industry author who shares expert insights on diamonds, lab-grown jewelry, custom designs, and smart jewelry buying. His content helps customers understand quality, pricing, trends, and craftsmanship so they can make confident jewelry purchase decisions.
