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Click to Enlarge Carat is often confused with size even though it is actually a measure of weight.One carat equals 1/5 of a gram in weight. In other words, one carat is equivalent to 200 milligrams. For diamonds under a carat, each carat is divided into 100 points – similar to pennies in a dollar.

0.75ct. = 75 points, ½ ct. = 50 points.

(Refers to the presence of inclusions in a diamond)

Every diamond is unique. Nature ensures that each diamond is as individual as the person who wears it. Naturally-occurring features, known as inclusions, provide a special fingerprint within the stone. Inclusions are natural, identifying character- istics such as minerals or fractures, appearing while diamonds are formed in the earth. They may look like tiny crystals, clouds or feathers.

To view inclusions, jewelers use a magnifying loupe. This tool allows them to see a diamond at 10x its actual size so that the inclusions are easier to see. The position of inclusions can affect the value of a diamond. There are very few flawless diamonds found in nature, thus these diamonds are much more valuable.

Inclusions are ranked on a scale of perfection, known as clarity, which was established by the Gemological Laboratories. The clarity scale, ranging from F (Flawless) to Included I3 (Heavy Inclusion), is based on the visibility of inclusions at a magnification of 10x.

(Refers to the angles and proportions of a diamond)

Nature determines so much about a diamond, but it takes a master cutter to reveal a stone’s true brilliance, fire and ultimate beauty.

Based on scientific formulas, an ideal-cut diamond will internally reflect light from one mirror- like facet to another, and disperse and reflect it through the top of the stone. This results in a display of brilliance and fire, thereby placing well-cut diamonds higher on the Diamond Quality Pyramid than deep or shallow-cut diamonds. Diamonds that are cut too deep or too shallow, lose or leak light through the side or bottom resulting in less brilliance and, ultimately, value.

shape of a Diamond

Cut also refers to the shape of a Diamond — for example, round, square, pear, or heart.

(Refers to the degree to which a diamond is colorless)

Diamonds are found in almost every color of the rainbow, but white-colored diamonds remain most popular.

Diamonds are graded on a color scale established by the Gemological Institute of America (GIA). The GIA Color Scale extends from D (colorless) to Z (light yellow or brown). The color differences are very subtle and it is very difficult to see the difference between, say, an E and an F. Therefore, colors are graded under controlled lighting conditions and are compared to a master set for accuracy.

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