Part 1
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1. Date
Date diamond was examined by GIA.
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2. REPORT NUMBER
Unique GIA report number registered in GIA’s extensive global database.
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3. SHAPE AND CUTTING STYLE
The outline of the diamond (shape) and the pattern of the facet arrangement (cutting style).
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4. MEASUREMENTS
Diamond dimensions listed as “minimum diameter – maximum diameter x depth” for round diamonds and “length x width x depth” for fancy-shaped diamonds.
Part 2
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5. CARAT WEIGHT
Weight given in carats, recorded to the nearest hundredth of a carat. One carat is equal to 1/5 of a gram.
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6. Color Grade
The absence of color ranging from colorless to light yellow or brown when compared to GIA Master Color Comparison Diamonds. Graded on a D-to-Z scale. If “*” appears next to the color grade, a color treatment was detected.
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7. CLARITY GRADE
The relative absence of inclusions and blemishes. Graded on a scale from Flawless to Included based on size, nature, number, position, and relief of characteristics visible under 10x magnification.
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8. CUT GRADE
For standard, D-to-Z color, round brilliant diamonds. Cut grade incorporates the aspects of face-up appearance, design, and craftsmanship. Graded on a scale from Excellent to Poor.
Part 3
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9. POLISH
Smoothness of the Diamond’s surface, assessed on a scale ranging from Excellent to Poor.
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10. SYMMETRY
Exactness of the diamond’s outline, and the shape, placement, and alignmentof its facets, assessed on a scale ranging from Excellent to Poor.
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11. FLUORESCENCE
Strength and color of the diamond when viewed under long-wave ultraviolet light. A fluorescence description of “none” represents a range of fluorescence from Indiscernible to Very Faint. Used for identification purposes.
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12. INSCRIPTION (S)
Any text, symbols, logos, or a unique GIA report number inscribed on the diamond’s girdle.
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13. COMMENTS
Additional identifying characteristics or features that are not otherwise represented on the report. If a treatment is detected, such as laser drilling, it would be described here.
Part 4
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14. PROPORTION DIAGRAM
Graphic profile representation of the diamond’s actual proportions.
Part 5
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15. PLOTTED DIAGRAM
Approximates the shape and cuttingayle of the diamond. Symbols indicate the type or nature, position, and the approximate size of a clarity characteristic.
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16. KEY TO SYMBOLS
Lists the characteristics and symbols shown on the plotting diagram, if present.
Part 6
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17. GIA COLOR SCALE
Illustrates the GIA Color grades and their relative positions in the GIA Diamond Color Grading System.
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18. GIA CLARITY SCALE
Illustrates the GIA Clarity grades and their relative positions in the GIA Diamond Clarity Grading System.
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19. GIA CUT SCALE
Illustrates the GIA Cut grades and their relative position in the GIA Diamond Cut Grading System. Available for standard round brilliant cut diamonds in the D-to-Z color range and Flawless-to-I3 clarity range.
Part 7
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20. QR CODE
A two-dimensional barcode that, when scanned, verifies data on the report against the GIA database.
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21. SECURITY FEATURES
Microprinting, security screens, watermarks, a two-dimensional barcode, a hologram, and sheet numbering safeguard report integrity and facilitate document authentication.