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GIA Diamond Dossier®
GIA Diamond Dossier® - Enlarged view of the left side of the document
GIA Diamond Dossier® - Enlarged view of the right side of the document
GIA Report Number
Unique GIA Report identification number registered in GIA's extensive global database.
Date
Data GIA Report was issued
Laser Inscription Registry
Each diamond receiving a GIA Diamond Dossier® is micro-laser inscribed with its unique GIA Report number.
Shape & Cutting Style
Description of the outline of the diamond (shape) and the pattern on the facet arrangement (cutting style).
- Measurements
The dimensions of the diamond listed as "minimum diameter - maximum diameter x dept" for round shapes and "length x width x depth" for fancy shapes.
- Weight
The weight of the diamond given in "carats". One carat is equal to 1/5 of a gram. In keeping with the internationally recognized trade practice, weight is recorded to the nearest hundredth of a carat.
Proportions
This section describes several characteristics relating to the diamond's cut.
- Depth
The depth of the diamond relative to the average diameter for round shapes, or the width for fancy shapes.
- Table
The average size of the table facet in relation to the average diameter for round shapes, or the width of the table in relation to the width of the diamond for fancy shapes.
- Girdle
The thickness of the girdle relative to the size of the diamond, and condition (polished or faceted) if applicable.
- Culet
The size of the culet facet relative to the size of the diamond.
- Finish
Finish grades represent the quality of the surface condition (polish) and the size, shape and placement of the facets, including the evenness of the outline (symmetry).
Clarity Grade
Represents the relative absence of inclusions (internal characteristics) and blemishes (external characteristics). Clarity is graded on a relative scale from Flawless to Included based on size, nature, position and quantity of clarity characteristics visible under 10x magnification.
Color Grade
Assesses the absence of color from colorless to light yellow, brown or gray when compared to GIA Master Color Comparison Diamonds (see GIA Color Grading Scale).
- Fluorescence
The strength and color of the diamond when viewed under long-wave ultraviolet light such as is present in daylight.
Comments
Comments describe additional identifying characteristics or features that are note represented on the report or Dossier.
Additional Inscription
At your request, diamonds may be micro-laser inscribed with a brand name, a trade name or a personal message. These appear either in the "Additional Inscription" section or in the "Comments" section and become part of our laser inscription registry.
GIA Clarity and Grading Scales
These scales illustrate the GIA COlor and Clarity grades and their relative positions in the GIA Diamond Grading System.
Security Features
To ensure integrity, GIA Gem Trade Laboratory Reports include a suite of security components. Notable features include a hologram, security screen, microprint lines and chemical sensitivity, in addition to several other proprietary security features.
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