A Unique number representing your diamond

A Unique number representing your diamond

Since no two Tiffany 1837 bracelets are exactly alike you can always check that the certificate matches the diamond.There are dozens of gemological laboratories handing out certificates but only a few are respected by the diamond trade.

Some well-known laboratories include the European Gemological Laboratories (EGL) and the Gemological Institute of America known as GIATo better understand your certificates here are some commonly used termsStone ID: A Unique number representing your diamond.

A diamond grading certificate is a report given by an independent and professional gemological laboratory. The diamond is evaluated for its quality, not its value. Every diamond is unique.

The certificate will map out all the diamond's recognizable and individual characteristics. Each certificate will include the diamond's color, clarity, carat weight and cut information (see the 4 C's of quality). The grading report also includes a hand-drawn map of the diamond's inclusions.

Usually abbreviated ct.Graining: Graining and grain lines reflect irregularities in the crystal structure. Colorless graining usually does not affect the clarity grade; but white, colored, or reflective graining does.Proportions: Proportion refers to the angles and relative measurements of a polished diamond.

More than any other feature, proportions determine a diamond's optical properties. Studies have shown that table size, crown angle, and pavilion depth have a dramatic effect on a diamond's appearance.Depth%: The depth of the diamond divided by the average diameter for rounds, or the depth divided by the width of the diamond for other shapes.

Polish: Indicates the care taken by the cutter in shaping and faceting the rough stone into a finished and polished diamond.Symmetry: A diamond's symmetry is the arrangement of the facets and finished angles, created by the diamond cutter. Excellent symmetry of a well-cut and well-proportioned diamond can have a great effect on the Tiffany 1837 brilliance and fire.

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