Diamond Buyers Guide and Information from Elsarings.com

Diamonds - Buyers Guide and Information from Elsa Jewelry

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Elsa Jewelry's Diamond Buyers Guide - Perfect Diamonds

Diamond Terms

Diamond Certificates

Diamond certificates from independent organizations such as the Gemological Institute of America (GIA) provide a diamond grading report, that gives you valuable information about the 4 C's that were taken into consideration when the diamond was priced.

It's important that you be sure to get the diamond's certificate that you are interested in. You could be paying more than the market value of the diamond.

Diamond Certificates and Appraisals

While understanding the 4 C’s in determining how to buy a diamond, you should also learn how to read diamond certificates. These certificates describe in detail the facts about the diamond in its unmounted state. Perhaps you have a specific diamond you want to have professionally appraised by an independent organization.

Diamond appraisals diamond buyers information

Diamonds are Forever

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Diamond Anniversary Rings diamond buyers information


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Frequently Used Terms for Diamonds

Buying a diamond can be complicated. How do you know if you're going to get a good deal? You need to know which factors are important when choosing a quality diamond. You need to know which questions need to be asked.

A diamond engagement ring may be one of the largest and most difficult purchases you will make, but it doesn't have to be.

Elsa Jewelry's Diamond Buyer's Guide has been designed to provide you with all the knowledge you need in order to make an informed diamond buying decision.

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A General Glossary of Diamond Terms


Bruise or scratch

All deposites laid down on land by the process of erosion

American cut
Same as Ideal cut

A monetary evaluation usually for insurance or estate purposes. An insurance appraisal is based on an estimate of the retail replacement value. An estate appraisal is an estimated realization from a quick sale.

A style of step cutting for a small rectangular stone. May also be tapered at one end.

Bearded girdle
If, during the cutting process, the girdle is rounded up too quickly, tiny, numerous, hairlike fractures extending into the stone will result. The surface of the girdle will lack the waxy luster and smoothness of a finely rounded diamond. It will appear fuzzy.

The small part of the top sloping surface just above the girdle.

Bezel facets
The eight large facets on the crown whose upper points join the table and lower points the girdle

Surface imperfection. e.g. nick, knot, scratch, minor cavity or poor polish. An extra facet or a natural on the girdle are also considered blemishes.

Body color
The color of the diamond observed under diffused light against a colorless background.

Industrial quality diamonds

Brilliant cut (round)
The most common cut of diamond consisting of 58 facets.

Canary diamond
A fancy yellow, greenish-yellow or orangy stone.

Carbon spots
A term used in the trade to refer to any black appearing imperfection in a diamond. May be graphite or other dark mineral or even dark reflections from cleavages or included transparent crystals.

Term used for a small single cut diamond.
A curved break on a diamond's surface.

Cleavage crack
Generally the most damaging type of imperfection affecting durability as well as beauty. It is a break that usually extends to the surface although sometimes they will extand a short distance from an inclusion.

A group of tiny white inclusions that together give a cottony or cloudy appearance.

Devoid of body color.

the part of the diamond above the girdle.

The tiny facet at the lower tip of a diamond.

Cushion cut
A square cut with rounded corners. An older form of the brilliant cut.

The property of diamonds to seperate white light into spectral colors.

Emerald cut
A form of step cut. usually rectangular but may be square. the number of steps can vary. Will emphasize color.

The plane, polished surface placed on a diamond.

A cleavage or fracture resembeling the shape of a feather.

Flashes of the spectral colors as a result of dispersion.

A diamond whose pavilion is very shallow, producing a glassey stone with poor brilliance.

A general term used to refer to any imperfection in a diamond.

The property of changing one type of radiation to another. For example: UV rays from natural light excite the atoms in certian diamonds causing them to emit visible light (be lumimescent) .

When fluorescence causes a diamond to change color when exposed to two different kinds of light. A yellow stone (under incandescent light) may appear bluish under daylight.

Full cut
A term for a diamond having 58 facets, consisting of 32 and a table above the girdle and 24 and a culet below.

The outer edge of a diamond usually grasped by the mounting.

Girdle facets
The 32 facets immediately above and below the girdle.

Any visible internal foreign object, or any crystal or grain of the same material as diamond or any break in a diamond.

Irradiated diamond
A diamond that has been exposed to radiation. Irradiation causes the color of a stone to change. Usually to greenish. May be from a natural or man provided source.

The host rock in all primary diamond deposites.

A diamond crystal embeded in the surface of a host diamond that has been polished or cut.

Small magnifying glass

Lumpy girdle
Unnecessarily thick girdle.

Flat, triangular, rough diamond which is a twinned crystal.

Diamonds under .20 carat.

Old English Cut
Single cut

Old European Cut
Early round cut characterized by a very small table, heavy crown and great overall depth.

Old Mine Cut
An old cut that is square with rounded corners

Property of some diamonds to continue to emit visible light (be lumimescent) in darkness after exposure to UV rays. To glow in the dark. This is a rare property.

100th of a carat.

Polished girdle
As implies, a polished surface of the girdle as opposed to a waxy one. It may also be faceted.

Alternating display of reflections from the polished facets of a diamond as seen by an observer as the stone, light source or the observer is in motion.

Spread stone
A stone that has been cut with a large table and a thin crown.

Step cut
All facets in a step cut stone are four sided and in steps, or rows both above and below the girdle. All facets are parallel to the girdle and except for those on the corners are long and narrow.

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Elsa Jewelry's Diamond Buyers Guide
Your Complete Resource for Diamonds and Diamond Jewelry
©2007 Elsadiamonds.com
- Long Island, New York

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