diamond-glossary

Diamonds Glossary

BrightnessAlso called brilliance, is the level of light that radiates up from within the diamond just as a spot light gets brighter by twisting its dimmer switch. Brightness is best be understood by viewing a diagram of a diamond’s silhouette.
Carat WeightCarat weight is the weight of measure for a diamond. One carat equals approximately one-fifth of a gram.
ClarityThese are the natural birthmarks that are formed within the diamond as nature transforms it from a lump of coal (carbon) into a magnificent crystal.
ColorIt is the absence of body tone. Graded on a scale of D-Z, the "best" color for a diamond is D "Colorless".
CuletThe very bottom facet of a diamond. If the bottom of the diamond comes to a complete point then there is no culet. If the diamond has a very small flat surface on the bottom (almost imperceptible) then it has a culet.
CutThe level of design and craftsmanship when transforming a diamond from a raw crystal to a polished gem.
DesignDescribes the brightness, weight-ratio, fire and scintillation of round shaped diamonds. For other shaped diamonds, design also includes proper scale of the overall shape.
glossary diamond
DurabilityDescribes he diamond's likelihood of resisting chipping or breaking.
Fancy-shapeRefers to diamond shapes other than round.
FireAlso called dispersion, describes the colors-of-a-rainbow that appear in a diamond.
FluorescenceAlso called dispersion, describes the colors-of-a-rainbow that appear in a diamond.
GIAGemological Institute of America; Established in 1931, it is the world's largest and most respected nonprofit institute of gemological research and learning.
Grading ReportIt's a document that is provided with a loose diamond containing the diamonds attributes. GIA is the gold standard for grading reports.
HUEGIA specifies 31 gemstone hues for fancy colored diamonds. They include terms such as blue, slightly greenish-blue, very slightly greenish-blue, bluish-green.
glossary diamond
PolishPolish describes the quality and condition of a diamond’s surface. A diamond’s individual surfaces must join invisibly, with seamless edges, so that the diamond appears as a solid mono-lithe so that polish lines disappear.
ScintillationDescribes the sparkle or twinkle effect given off as diamonds are moving about. The effect looks as if you are seeing bright white flashes of mini-fireworks within the diamond.
ShapeDescribes the pattern of a cut diamond when viewed from the top.
SilhouetteDescribes the pattern of a cut diamond when viewed from the top.
SymmetryDescribes he alignment of the diamond surface (facets).
Weight-ratioDescribes the relationship between the diamond size (viewed from the top) and its weight.
WorkmanshipDescribes a diamond’s symmetry, polish, and durability of the diamond.
glossary diamond
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