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Diamond Cut

Ideal cut

Represents roughly the top 3% of diamond quality based on cut. Reflects nearly all light that enters the diamond. An exquisite and rare cut.

Very good cut

Represents roughly the top 15% of diamond quality based on cut. Reflects nearly as much light as the ideal cut, but for a lower price.

Good cut

Represents roughly the top 25% of diamond quality based on cut. Reflects most light that enters. Much less expensive than a very good cut.

Fair cut

Represents roughly the top 35% of diamond quality based on cut. Still a quality diamond, but a fair cut will not be as brilliant as a good cut.

Poor cut

Diamonds that are generally so deep and narrow or shallow and wide that they lose most of the light out the sides and bottom. Citadel gems does not carry diamonds with cut grades of poor

DIAMOND COLOR

D	Absolutely colorless. The highest color grade. Extremely rare.
E-F	Colorless. Minute traces of color can be detected by an expert gemologist. A rare diamond.
G-H	Near-colorless. Color difficult to detect unless compared side-by-side against diamonds of better grades. An excellent value.
I-J	Near-colorless. An exceptional value with slightly detectable warmth or tone.
K-M	Noticeable color. Good option for diamond being set in yellow gold setting
Z-N	Noticeable color. This color can be seen even through un-aided eye

Diamond Clarity

Flawless, Internally Flawless

No internal or external imperfections. Internally Flawless: No internal imperfections. Very rare.

Very, Very Slightly Included

Very difficult to see imperfections under 10x magnification. An excellent quality diamond.

Very Slightly Included

Imperfections are not typically visible to the unaided eye. Less expensive than the VVSI or VVS2 grades.

Slightly Included

Imperfections are visible under 10 x magnifications, and may be visible with the unaided eye. A good diamond value.

Included

This grade of diamond of will have minor inclusion which may be visible by unaided eye. Good for earrings and other jewelry pieces which wouldn't be seen closely

Heavy Inclusion

This grade of diamond will have several inclusion which would be easily visible by unaided eye. This grade is good for fashion pieces like belt buckle, purses and other accessories.

DIAMOND carat

Carat is specifically a measure of a diamond's weight, and by itself may not accurately reflect a diamond's size. We tend to evaluate diamond size by viewing it from the top because that is how diamonds are presented to us when set into a ring.

To understand diamond size, carat weight should be considered in conjunction with two other criteria:

Distance in millimeters across the top of the diamond.

Diamond's cut grade.

DIAMOND Shape

ROUND CUT

Round shape has set the standard for all other diamond shapes, and accounts for more than 75% of diamonds sold today. Its 58-facet cut, divided among its crown (top), girdle (widest part) and pavilion (base), is calibrated through a precise formula to achieve the maximum in fire and brilliance.

PEAR SHAPED

A hybrid cut, combining the best of the oval and the marquise, it is shaped most like a sparkling teardrop. It also belongs to that category of diamond whose design most complements a hand with small or average-length fingers. It is particularly beautiful for pendants or earrings.

HEART SHAPED

This ultimate symbol of romance is essentially a pear-shaped diamond with a cleft at the top. The skill of the cutter determines the beauty of the cut. Look for a stone with an even shape and a well-defined outline.

MARQUISE CUT

An elongated shape with pointed ends inspired by the fetching smile of the Marquise de Pompadour and commissioned by the Sun King, France's Louis XIV, who wanted a diamond to match it. It is gorgeous when used as a solitaire or when enhanced by smaller diamonds.

ASSCHER CUT

Similar in appearance to the emerald cut, the Asscher cut is differentiated by a more square shape and the presence of a pavilion with rectangular facets. It is also charecherterised by its distinctive rounded corners. Developed by the Asscher Brothers of Holland in 1902, this cut is very eye catching, the asscher diamond draws the eye to the diamond. It is recommended that when considering these diamonds, emphasis should also be placed on a diamond with a good clarity grade. A good length to width ratio for these diamonds would be between 1 and 1.05.

RADIANT CUT

This square or rectangular cut combines the elegance of the emerald shape diamond with the brilliance of the round, and its 70 facets maximize the effect of its color refraction. Because of its design, this cut requires more weight to be directed toward the diamond's depth in order to maximize brilliance. Depth percentages of 70% to 78% are not uncommon.

CUSHION CUT

An antique style of cut that looks like a cross between an Old Mine Cut (a deep cut with large facets that was common in the late 19th and the early 20th centuries) and a modern oval cut.

OVAL CUT

An even, perfectly symmetrical design popular among women with small hands. Its elongated shape gives a flattering illusion of length to the hand.

FANCY COLOR DIAMOND

YELLOW Diamond

Yellow is one of the most familiar names known aside from white "colorless" diamonds. Canary is a term commonly used to describe intense yellow diamonds. Some of the yellows with higher intensity of color (Fancy Vivid Yellow) are as rare as the pinks and blues and command unusually high prices.

PINK Diamond

Pink diamonds are rare and highly desired. Pink diamonds of higher intensity are the most rare and command very high prices. Most pink diamonds mined are faint to light colored (pastel colored). Many of the deep colored pink diamonds come from the Argyle mine in Australia.

BLUE Diamond

Natural blue color is one of the rarest of fancy color diamonds. These diamonds are amongst the most sought after by collectors. Color can range from faint to a very deep blue, and blue diamonds can command even higher prices than pink diamonds.

RED Diamond

Red is by far the rarest of all colored diamonds. Fewer than 20 stones have so far been certified as red diamonds. Some of these have fetched over a million dollars per carat, although most other colored diamonds fetch between five to six figures per carat.

GREEN Diamond

Green diamonds with no other secondary hues or modifiers are some of the rarest, and depending on intensity and purity of color, can command astronomical prices. Most green diamonds have either grey, brown or yellow modifiers.

PURPLE Diamond

Purple diamonds with no secondary hues are very rare. Most of these diamonds are less than one carat in size and are very seldom found in dark to vivid lilac colors. Most purple diamonds exhibit needle-like color zones.

ORANGE Diamond

Orange diamonds are not as rare as the red or green diamonds. Most orange colored diamonds have strong yellow or brown modifiers. Pastel colored orange diamonds are of similar value as pastel pinks and some blues.

GRAY Diamond

Grey Diamond Diamonds with grey as the primary dominant color are also unique. These diamonds are comparatively reasonably priced (in the high four to low five figures per carat).

BLACK Diamond

Black diamonds are not transparent, and does not show fire (flashes of color) as other diamonds, but can be extremely expensive where they are in the dark to vivid color ranges. Black diamond may give off secondary color hues of grey or white.

BROWN Chocolate Diamond

These are the most widely available and surprisingly affordable colored diamonds. They provide a beautiful low cost alternative to pink, blue, grey, green or yellow diamonds. Common names used to describe brown color are: champagne, chocolate, coffee, golden, honey, bronze, cognac, etc.

What Is A Certificate?

A diamond certificate, also called a diamond grading report, diamond dossier®, or diamond quality document, is a report created by a team of gemologists. The diamond is evaluated, measured, and scrutinized using trained eyes, a jeweler’s loupe, a microscope, and other industry tools. A completed certificate includes an analysis of the diamond’s dimensions, clarity, color, polish, symmetry, and other characteristics. Many round diamonds will also include a cut grade on the report.

Diamond Dossier report

Diamond Grading Report

Fancy Shape Diamond Report

IGI Diamond Report

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