Imperfections: Inclusions such as sand or gypsum visible to the eye on the top of an opal decreases the value. The larger and more noticeable the imperfection, the greater the affect on the value.
Imperfection - A general term used to refer to any external blemish or internal inclusion or flaw on or in a fashioned diamond; e.g., a feather, carbon spot, knot, fissure, scratch, natural, etc.
Imperfections. While noting the color, the imperfections of the stone claimed attention. They consisted mainly of minute jagged cracks of the character peculiar to brittle materials such as both emerald and tourmaline.
Imperfection internal to the Diamond.
Internal Graining
Internal indications of irregular crystal growth. May appear milky, like faint lines or streaks, or may be colored or reflective.
Imperfections present on surface of diamond.
Blood diamonds
Or conflict diamonds. Used to fund illegal activities of terrorist groups..
IMPERFECTION - A general term used to refer to any inclusion, internal or external in a gemstone -- a feather, carbon spot, knot, fissure, or scratch.
Imperfection: A term used to refer to any internal or external flaw on a cut and polished diamond.
Inclusion: Any visible internal foreign object in a diamond is called an inclusion.
Every Imperfection is hidden!
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Slightly Included? Sure. As long as it's SI1! ...
Internal imperfections and external irregularities affect the clarity of the diamond by interfering with the passage of light throughout the stone. Imperfections such as spots, lines, or bubbles are known as inclusions.
Blemish: Imperfections found on the surface of a Diamond.
Brilliance: describes how well a diamond reflects white light.
Carat: is a unit of weight measurement used for weighing diamonds. For more information see The 4 Cs of Diamonds ...
Blemish: An imperfection on a diamond's surface that may or may not be recognizable.
Body color: The basic color of a pearl: white, cream, yellow, pink, silver or black. A pearl can also have a hint of secondary color (see overtone).
Flaw
An imperfection in the stone.
Girdle
The outer edge or the widest part of the diamond forming a band around the stone.
flaw
An imperfection in a gemstone, including fissures, cracks, inclusions of other minerals and air or liquid filled cavities. Flaws usually reduce the value of a gemstone, except in some rare cases ...
An internal imperfection or characteristic which reduces the clarity or brilliance of a gemstone. Common gemstone inclusions are feathers, crystals, fractures, needles, graining, pinpoints and cavities.
Inlay ...
Flaw: An imperfection of a diamond.
Fluorescence: The mostly bluish glow of a diamond in high ultraviolet lighting conditions. Ratings: none, faint, medium, strong. Strong blue fluorescence may cause the diamond to appear oily in daylight.
Flaw: An imperfection of a stone.
Finish - The term referring to the quality of fashioning a gemstone including the polish and symmetry.
Fire - Flashes of spectral colors seen in gemstones as a result of dispersion.
Blemish
Imperfections found on the external surface of a diamond.
Blue Topaz
The most common form of topaz. Blue Topaz is traditionally used to celebrate December birthdays and the fourth year of marriage.
inclusion Imperfections located inside the diamond.
indented natural The original skin of the rough diamond that is at least slightly concave in relationship to the surrounding polished facets.
A flaw is a an imperfection in a gemstone. Flaws include: cracks, inclusions of other minerals or liquid-filled cavities. A flawless stone is called "clean.
Inclusions: Any imperfection that gets inside a stone and is trapped during the formation. It can be enclosed inside the stone or it can also rise to the surface.
Growth Tubes
Imperfection formed during crystal growth, when a tube is generated by a formerly liquid filled cavity.
Growth Tube Inclusion Photos ...
In gem terms, an imperfection ( flaw) which is visible at 10x magnification.
Four Cs:
Phrase coined to describe the 4 quality and value considerations of a diamond: cut, color, clarity, and carat weight. Scroll down to diamond or...
An inclusion is a imperfection or flaw in a diamond or other gemstone that affects the stone's clarity.
Slightly included, imperfections are easily seen with 10X magnification, but are not noticeable without this aid. Also called "eye-clean".
$4,800
I1, I2, I3 ...
Blemish Any surface imperfection on a fashioned diamond. Also, a natural or an extra facet, visible on or through the crown, usually is considered a blemish.
Flaw
Flaw is an imperfection on or in a gemstone. A flaw can be invisible to the naked eye, but can decrease the value of a gemstone.
An external mark or imperfection on a diamond, implicitly only slight and capable of being removed.
Blocker, Blocking ...
Many stones are treated to mask the natural imperfections. Emeralds rate a solid 7.5 to 8 on the Mohs Scale, making them an excellent choice for jewelry.
Synthetic emeralds (developed by Carroll Chatham in the 1930's) have fewer imperfections and are very hard to distinguish from natural emeralds. Emeralds belong the beryl group of stones which also includes aquamarines, morganite, and chrysoberyl).
The highest-quality material is a rich apple-green of even color, without flaws, fractures, inclusions, cavities or other imperfections. Much of the chrysoprase used for beads has a brownish matrix.
Although synthetic and natural diamonds are theoretically identical and indistinguishable from each other, diamonds from each of the two categories usually incorporate their own characteristic imperfections, ...
Jade is often cabochon set; stones with imperfections are often carved (the imperfections are simply carved away). Two different minerals are known as jade: jadeite and nephrite.
>SI1 (Slightly Included) Important presence of small inclusions and/or surface imperfections (with 10X magnification).
This refers to imperfections that impair the passage of light. The finest jadeite has no inclusions or other clarity defects that are visible to the naked eye.
A color center is an imperfection in a crystal often caused by damage to the crystal structure. Many gemstones are actually colored by natural irradiation.
Many of these tiny imperfections are removed when the diamond is shaped. Today cutters also have the option of using an enhancement technique that focuses tiny beams of laser light at imperfections and vaporizes them.
Gems found in Nature have that mystical element about them, they are miracles of Mother Earth and their very imperfections represent the whims of Creation and add to their esoteric beauty.
Pearls that are round and have a significant imperfection in one spot will be separated so the imperfection can be cut off leaving a small flat spot, this creates a "three quarter" Pearl known as a Scant Pearl.
Emerald is a type III gemstone on the GIA clarity scale, meaning they are usually included with imperfections which may detract from their beauty. It is a longtime practice that these stones are impregnated with oils to mask these internal features.
Inclusions can be classified as the presence of a foreign material or structural imperfections such as tiny cracks that can appear whitish or cloudy.
These imperfections may be small and unnoticeable or large and distinct. The number and visibility of marks on its surface determines the quality of a pearl. Lustre can drown out pearl blemishes the same way brilliance can drown out diamond flaws.
The larger the diamond, the easier imperfections are to detect; therefore Clarity becomes more important. For diamonds over 2 carats, a clarity grade of VS2 or higher is the safest bet for avoiding any signs of visible inclusions.
By deducting cutting imperfections from the stones weight, the appraiser is in essence reducing the weight by about the amount required to recut and finish the stone to proper proportions.
Clarity: A diamond often has natural imperfections, commonly referred to as inclusions, which contribute to its identifying characteristics. Inclusions are found within the diamond, and can be white, black, colorless, or even red or green.
Imperfect - The diamond imperfection grade at the low end of the flawless-to-imperfect scale. An imperfect diamond contains imperfections that are visible face up to the unaided eye or that have a serious effect on the stone's durability.
Inclusion: A naturally occurring imperfection that may be gaseous, solid or liquid and that is enclosed in a natural mineral.
A cup bur is a tool used to remove the burs or small imperfections on the end of a cut wire segment.
These imperfections serve as the "fingerprint" of a stone and make each one unique.
AAA Eye clean to slight imperfections, light to medium yellowish green, good cut..
AA Eye clean to slight imperfections, medium yellowish green, good cut..
A Eye clean to slight imperfections, medium to dark yellowish green, good cut..
Almost all diamonds have tiny imperfections. Diamonds with few or no imperfections receive the highest clarity grades.
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The cut of a diamond determines its brilliance. Put simply, the better a diamond is cut, the more sparkle it will have.
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These internal and external imperfections or blemishes are considered to be the natural birthmark of every diamond.
The motivation to enhance Akoyas is great, as most have uneven color or dark nucleus spots that can be eliminated by bleaching or slight surface imperfections that can be made less noticeable by polishing.
Any visible imperfection within a gemstone.
Fluorescence
The emission of visible light when a gemstone is exposed to ultraviolet light. Used a method of distinguishing one gemstone from another and a natural gemstone from a synthetic gemstone.
Make sure there are no visible blemishes or imperfections on the piece. Check to make certain that fasteners, clasps and catches work properly and are secure. Check pin backs and earring posts for strength and durability.
Frequently misused term to describe a diamond with slight imperfections. Can also be used to describe a diamond with internal imperfections. Use is prohibited by the FTC unless the stone qualifies as "perfect" as described by the Commission.
Cleavage ...
Cleanliness. Describes how many imperfections are found on the surface of the pearl. Some imperfections are expected on all pearls, natural or cultured, but the fewer and less noticeable they are, the more valuable the pearl.
They tend to be more sensitive and vulnerable than others, and can be more disgusted by their own seeming imperfections than by those of others.
Clarity
Diamonds can contain slight imperfections. Often invisible to the naked eye, these natural birthmarks fall into two categories-inclusions (internal) and blemishes (external). Fewer inclusions increase the value of the stone. Learn more ...
An inclusion is an imperfection or trace mineral in the stone that is visible under the magnification of a jeweler's loupe. The fewer inclusions the diamond has; the clearer, more brilliant and more expensive the diamond will be.
Surface markings: Imperfections on the pearl's surface. Often described as spots, blisters, or indentations.
Symmetry: The overall unity and proportion of a stone's cut. Symmetry ranges from poor to excellent.
 See also: Imperfect, Diamond, Stone, Jewel, Cut
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