Diamond Flaws and Inclusions

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Internal Diamond Flaws

When a diamond is considered to have a flaw, it is an imperfect gemstone. Something about the diamond did not form correctly, or there are tiny imperfections within the stone. Diamond flaws and inclusions are often not noticeable to the average person and you need not worry about the small inclusions that occur in most diamonds. There are actually only very few diamonds that can be labeled “perfect” and if they are placed in the category of no diamond flaws and inclusions, chances are the diamond will be extremely expensive.

There are some minor inclusions that cause a diamond to appear slightly dull. The inclusion within the diamond can affect the stone's clarity because as light passes through the stone, it is intercepted by the inclusion. Many of these flaws and inclusions can be reduced or fixed with the various forms of treatment processes that gemologists and jewelers have learned to do over the years.

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Other diamond flaws and inclusions may be large enough to cause weakness within the gemstone and the stone could shatter or break much more easily than a stone without the weakness. These are the flaws you want to be careful with since they reduce the value of your stone.

Pinpoint Inclusions

When a diamond has speckles of dark crystals in groups or scattered throughout the stone, it is said to have a form of diamond flaws and inclusions called pinpoint inclusions. If the dark crystals are all clustered together in the stone, the diamond clarity is affected and it appears to have a “cloud” inside the stone. These types of diamond flaws and inclusions may cause the diamond to be worth less, as it greatly affects the appearance.

Problems from Laser Treatments

When an imperfect diamond is treated with lasers to remove dark diamond flaws and inclusions from within the gemstone, sometimes a line is left through the diamond that looks much like a thread. The laser line begins at the outer edge of the diamond and moves inward to the area where the dark inclusion was treated by the laser. These diamond flaws and inclusions are unsightly and easily spotted by most people, making the diamond less desirable.

Mineral and Crystal Inclusions

While most diamond flaws and inclusions are negative, there are instances when the diamond flaws and inclusions are actually an eye-catching aspect of your diamond. For example, diamonds typically have smaller crystals inside the diamond, often so tiny that they cannot be seen without some sort of magnifying device. The diamond clarity can be affected by these crystals if there are enough of them and if they are all grouped together in one area of the diamond.

There are a few rare instances when another gemstone is actually inside a diamond and could certainly not be seen as a diamond flaw or inclusion. For example, if you had a ruby or emerald that was surrounded by a diamond, you would see that as a special piece of jewelry, not a flawed one.

Related Articles

• Diamond Cut
• Diamond Clarity
• Diamond Color
• Diamond Carat
• Diamond Cost
• Treated Diamonds
• Judging Diamond Quality
• Jewelry Lab Certificates and Appraisals
• Diamond Shapes
• How to Buy a Diamond
• Diamond Certificates
• Diamond History
• Famous Diamonds