Diamond Blemishes
Blemishes are external clarity characteristic of a diamond.
That Diamond could have an Inclusion, Chip or Blemish near the edge of the Diamond that is now covered up by a Prong.
Blemish, an defect in a gemstone found at the surface, such as a pit, nick, scratch, chip or even an extra facet where none should be. A blemish differs from an inclusion, which is internal to the gemstone.
Blemish: A clarity characteristic that occurs on the surface of a diamond. Though some blemishes are inherent to the original rough diamond, most are the result of the environment the diamond has encountered since it was unearthed.
Blemish - Any surface imperfection on a fashioned diamond; e.g., a nick, knot, scratch, abrasion, minor crack or cavity, or poor polish. Also, a natural or an extra facet, visible on or through the crown, usually is considered a blemish.
BLEMISH - Any surface imperfection on the surface of a gemstone. For example, on a diamond, one would be referring to a nick, knot, scratch, abrasion, minor crack or fissure (cavity), or a poor polish.
Blemish
Term used in the GIA clarity-grading system for any nick, scratch, abrasion, pit, polish mark, graining or polish line on the surface of a polished diamond.
Brilliance ...
Blemish: Clarity characteristic that is confined to the surface of a polished gemstone.
Blemishes: The term blemish is used when the diamond has scratches or marks on the external area of the stone.
Blemishes
Little marks, bumps, scars or irregularities on a pearl's surface that give a pearl strand its personality, although heavy marking will lower its value.
Blister pearls ...
Blemish: Damage that occurs on the surface of a diamond, which is an imperfection external to the diamond. For example, this would refer to a nick, knot, scratch, abrasion, minor crack or fissure (cavity), or a poor polish.
Blemishes
Abrasions: tiny nicks on facet junctions or the culet; caused by wear or coming in contact with other diamonds.
Blemish An external mark or imperfection on a diamond, implicitly only slight and capable of being removed.
Blemish - A blemish is a nick, scratch or any other flaw on the stone surface.
Blemish
Any scratch, nick, abrasion, knot or any other flaw on the surface of a diamond. This affects clarity. A blemish could be natural or be the result of polishing.
Brilliant-cut ...
Blemish: A flaw, such as a nick or scratch, on the surface of a stone.
Blister Pearl: A pearl that forms attached to the shell.
Bloodstone: A variety of chalcedony that is dark green red spots resembling blood.
Blemish
An external mark or surface imperfection on a gemstone. For example, a nick, abrasion, knot, scratch, minor crack or fissure (cavity), or a poor polish. A natural or an extra facet is also considered a blemish.
Brilliance ...
blemish An external imperfection, in contrast to an inclusion, which is internal.
Blemish
Blemish is an imperfection or flaw on the surface of a gemstone.
Blemishes and other surface features: In this category are chips, scratches, knicks and abrasions, as well as attributes of the faceting or lapidary process such as degree of polish, or shape and placement of facets.
Blemish:
A flaw (scratch or abrasion) on the surface of a diamond.
Blemish: Any flaw, spot, scratch or cut that appears on the surface of a gemstone. Blemishes for pearls can include spots, bumps, pits, holes, cracks, chips, wrinkles and dull spots.
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.
Blemish: A flaw on a diamond. These can include scratches, nicks or chipping, pits or holes in a facet, or a natural (an area that hasn't been polished).
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).
Blemishes - An abrasion or scratch on the surface of a diamond which are called blemishes. Also see inclusions
Inclusions
Black Diamonds ...
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 ...
Blemishes are external impurities or marks on the surface of a diamond, and typically appear as a scratch imperceptible to the naked eye.
Blemish
A term used to describe an imperfection on the surface of a finished diamond, such as a scratch or cavity.
Blue Diamond ...
Blemish: A defect found on the surface of the pearl. Non-damaging blemishes include spots, bumps, pits and wrinkles, and can affect a pearl's price.
Blemish
A scratch or abrasion on the surface of a diamond. Provided they do not interfere with the symmetry of the stone and do not interfere with light in the stone they are not considered important.
Blemish
A blemish is a defect in a gemstone or diamond that is found at the surface. Examples of blemishes include pits, nicks, scratches, chips or even an extra facet where none should be.
BLEMISH
A blemish is a flaw on the external portion of a gemstone. Typically, blemishes are superficial nicks or scratches.
BLUE DIAMOND ...
Blemish - Any flaw, spot, scratch or cut that appears on the surface of a gemstone.
Body color - The basic color of a pearl. White, cream, black, etc.. Always consider the overtones, orient and luster when evaluating a pearls color.
Blemish
Refers to any surface defect on a pearl. Blemishes may include cracks, chips, dull spots, wrinkles, spots, holes, bumps, and pits.
Blister ...
Small blemishes on pearls are somewhat inevitable, however, any serious surface damage, imperfection, or intrusion such as a crack or chip in the nacre should be cause for concern as these conditions will affect the longevity of the pearl, ...
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.
Subtle blemishes and tiny marks are part of a pearl's natural texture and proof of its genuine origin. These blemishes result from sea particles that drift into the oyster and brush against the pearl as it forms.
The absence of blemishes (spots, pimples, cracks) or discoloration on the pearl's surface.
Cleavage
The breaking of stones along lines of weakness related to the stones internal atomic structure.
Diamond Surface Blemishes5 Ways to Make a Diamond Look LargerEngagement Ring Advice for Guys
See More About:
ancient jewelry
four cs
famous jewels
pearls
diamonds ...
No inclusions or blemishes of any sort under 10x magnification when observed by an experienced grader.
IF =
INTERNALLY FLAWLESS ...
A form of diamond blemish where some diamond rough is left on the polished surface of a diamond. Is usually done to maximize the weight of a diamond.
Needle
A diamond inclusion whereby a thin needle like crystal is present inside the diamond.
Clarity:An industry term describing the number and density of inclusions and blemishes within a diamond or gemstone. See our Education section regarding the 4 C's for detailed information.
~Surface - Since cultured pearls are grown by oysters in nature, it is rare to find a pearl whose surface is free from any type of blemish. Blemishes can include disfiguring spots, bumps, pits and cracks on the surface of a pearl.
>F (Flawless) Total absence of inclusions and total absence of minor surface blemishes (with 10X magnification).
>IF (Internally Flawless) Total absence of inclusions and presence of very minor surface blemishes (with 10X magnification).
IF (internally flawless) - Only minor surface blemishes but no internal inclusions visible to a trained eye under 10x magnification.
This is based on the blemishes present in them, the nature of the blemishes and also how these blemishes absorb and reflect color. Diamond has Nitrogen atoms as the main impurity. The common concentration of this impurity is 0.1 %.
Surface - It is rare to find a pearl whose surface is free from any type of blemish. Blemishes can include disfiguring spots, bumps, pits and cracks on the surface of a pearl.
The fewer inclusions or blemishes, the more rare the diamond.Inclusions are internal, that is, inside the diamond. Two of the most common inclusions are crystals and feathers.
On the contrary, when these flaws / marks occur on the surface, they are known as blemishes and the most common types of blemishes include Polish lines, Naturals, Scratches, Nicks, Pits, transparent stress lines that appear on a diamond's surface, ...
Lasering dissipates the internal blemishes within the diamond and can improve the stones clarity but it also leaves a visible conduit line within the diamond.
pits/blemishes on surface). Some pearl suppliers use "A", "B" and "C" grades, where "A" represents the highest lustre and/or the highest surface quality. Thus, a pearl rated "AA" would have high lustre and surface quality.
It is these inclusions or blemishes that give each diamond its own unique fingerprint, making your particular diamond truly yours.
Surface quality signifies the presence or absence of physical blemishes or flaws.
Blemishes (very slightly blemished, very blemished, etc.)
Matching (good, fair, very good, etc.)
Drilled (non drilled, full drilled, half drilled)
Setting (peg, prong, strung knotted, strung unknotted, etc.) ...
While the presence of these clarity characteristics (inclusions and blemishes) do lower the clarity grade of a diamond, they can also be viewed as proof of a diamond's identity.
Surface: The amount of blemishes a pearl has. The fewer blemishes, the more valuable the pearl is. To find pearls without blemishes is rare, and these pearls are extremely expensive.
The surface of a cultured pearl should be relatively clear of blemishes, pockmarks and pits. Since cultured pearls are grown inside an oyster, it's very rare to find a completely blemish-free pearl.
It is rare to find a diamond with no blemishes and therefore it makes that kind of diamond more rare. The more rare a diamond, the more the diamond is worth. Therefore a diamond with little or no blemishes is worth more than one with marks.
Common inclusions and blemishes, as they are represented on the GIA diamond plot, are illustrated below. GIA uses the color green for surface blemishes, and red for internal inclusions.
 See also: Jewel, Color, Diamond, Jewelry, Blemishes
  
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