Lab Grown Diamond

Diamond Education


What is a Shape ?

As the name suggests, shape (round, princess, radiant, etc.) describes a diamond's form, primarily as viewed from above. All diamond shapes have different attributes, but overall the beauty of the individual shapes is a matter of personal taste.

Since all diamond shapes are very different, unique characteristics determine quality for each shape. Select your shape below to learn how to recognize the most beautiful diamond. If you have additional questions, feel free to contact one of our Diamond and Jewelry Consultants who can help you find the diamond that's perfect for you. Many Different Type Of Diamond Shape.

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Cut

The cut of a diamond determines its brilliance. Put simply, the better a diamond is cut, the more sparkle it will have.

- Cut is a diamond's most important characteristic.
- It has the greatest overall influence on a diamond's beauty.
- It determines what we generally think of as sparkle.

A diamond's cut grade is an objective measure of a diamond's light performance, or, what we generally think of as sparkle. When a diamond is cut with the proper proportions, light is returned out of the top of the diamond (which gemologists refer to as the table). If it is cut too shallow, light leaks out of the bottom; too deep and it escapes out of the side.

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Clarity

The clarity of a diamond refers to the amount, size, type and location of internal flaws (inclusions) or surface imperfections (blemishes) visible in a diamond using 10x magnification. All diamonds have imperfections in them. The "cleaner" the diamond, the higher the value. The following are the standard grades of diamond clarity:

FL= Flawless -- No inclusions and no blemishes visible under 10x magnification, the most rare and expensive of all clarity grades.

IF= Internally Flawless -- No inclusions visible under 10x magnification, but there may be some tiny external irregularities in the finish.

VVS-1= Very Very Slightly Included 1 -- usually just one tiny inclusion visible only to a trained eye under 10x magnification.

VVS-2= Very Very Slightly Included 2 -- tiny inclusions visible only to a trained eye under 10x magnification.

VS-1= Very Slightly Included 1 -- very small inclusions visible with 10x magnification.

VS-2= Very Slightly Included 2 -- several very small inclusions visible with 10x magnification.

SI-1 and SI-2 = Slightly Included 1 and 2 – noticeable inclusions that are easily seen under 10x magnification.

Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader. To the naked eye, a VS1 and an SI2 diamond may look exactly the same, but these diamonds are quite different in terms of overall quality. This is why expert and accurate assessment of diamond clarity is extremely important.

The following chart gives some examples of how each grade might look under a 10x loupe:

Clarity Chart for Diamonds

Chart courtesy of International Gemological Institute (IGI)

Color

Grading color determines how closely a diamond's color approaches colorlessness. With the exception of fancy color diamonds, the colorless grade is the most valuable. If a diamond does not have enough color to be called fancy, then it is graded on a scale ranging from Colorless to Light Yellow or "D" through "Z." A "D" color diamond is considered colorless. If the color is more intense than "Z," it is considered fancy. A fancy yellow diamond will sell for a far higher price than a light yellow diamond.

Chart of color diamonds

Chart courtesy of International Gemological Institute (IGI)

Certification

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.

Chart of color diamonds

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