Diamond flaw - Wikipedia
Every natural diamond crystal contains impurities and typical intrinsic or "self-defects": vacancies, dislocations, and interstitial atoms. The most common impurity in diamond is nitrogen, which can comprise up to 1% of a diamond by mass. Nitrogen as a diamond impurity was first identified in 1959 by Kaiser and Bond of Bell Telephone. [1]
Fissures and fractures - gems-inclusions
In surface reaching fractures, part of the gem can be lost, giving place to an indentation (“nick” in diamond terminology). In some fissures, vivid rainbow colors can be observed due to thin-film interference effect.
Diamond Characteristics: Common Diamond Flaws - Blue Nile
Learn about various diamond characteristics and common flaws that impact the diamond's grading, including what to look for when purchasing a diamond.
Seven Things You Need to Know About Diamond Clarity - GIA 4Cs
Apr 17, 2018 · Fracture filling is the filling of surface-reaching fissures, fractures and laser drill holes with a glass-like material that has a refractive index close to that of diamond. Fracture filling doesn’t “heal” the fracture or improve the diamond’s actual clarity.
18 Diamond Inclusion Types: Learn the "Okay" and Worst to Avoid
While there are diamonds that are flawless (less than 1%), more than 99% contain imperfections, whether so tiny (invisible to the naked eye) or a little larger & more visible, these imperfections are what make each stone unique.
Anatomy Of A Diamond: Everything You Need To Know
Feathering is a fissure inside a diamond created millions of years ago – during the formation process of the diamond. The size and location of a feather can impact the clarity grade of the diamond. But if it’s located near the edges, prongs can hide a feather.
Diamond Feather Inclusions: What to Watch For - The Diamond Pro
Sep 6, 2023 · A feather inclusion is one type of internal inclusion. It’s a crack within the diamond that has a feathery look when viewed from a right angle. Depending on the color, size, and location of the feather, it can either impact the diamond considerably or not be noticeable at all. You should not reject a diamond outright just because it has a ...
Types of Diamond Inclusions & Blemishes Explained with Pictures
Apr 17, 2023 · "Feather" is a comprehensive term used by GIA and AGS to encompass all types of cracks (fissures), fractures, and breaks occurring within a diamond. Despite being a relatively common imperfection, feathers can have an impact on the structural integrity of the stone.
The filling of fractures, cleavages, and other separations in a diamond can have a significant effect on the apparent clarity of the stone. Before enhancement (left), this 0.25-ct diamond, with its
Unraveling the Mysteries: “Feather” – The ... - Diamond Guidance
Often described as a fracture within the diamond’s structure, the feather inclusion is distinctive and fascinating. Its name is derived from the characteristic appearance that resembles the delicate plume of a feather. These are usually internal fissures within the stone and may sometimes reach the surface, but not always.