Detailed Diamond Grading Report

• Please click on the highlighted fields in the image to see details.

• GSL#/GS#

  A unique number that identifies each item of jewelry or diamond within the GS Laboratories exclusive database system

• Gemstone

  Identification of diamond or gemstone

• Shape

  the shape of the diamond and/or colored stone. Refers to the outline and facet arrangement.

• Measurements

  Precise measurements, measured in millimeters

• Weight

  Measured in carats, and expressed to the nearest hundredth. One carat equals 0.20 grams

• Clarity

  Clarity grade of the diamond, graded on a scale from FL (Flawless) to I (Imperfect) (for more information, please see “Diamond Grading”)

  

• Color

  Color grade of the diamond, graded from colorless to light yellow (for more information, please see “Diamond Grading”)

  Colourless	D E F
  Near Colourless	G H I J
  Slightly Tinted	K L M N
  Very Light Yellow	O P Q
  Light Yellow	R S T
  Yellow	U to Z
  Fancy Colour

• Cut

  Cut grade of the diamond, graded from Ideal or Excellent to Poor (for more information, please see “Diamond Grading”)

  

• Polish and Symmetry

  Assessment of smoothness of surface of diamond and facet alignment; both graded on scale ranging from Excellent to Poor

• Photo

  A digital colour photograph of item of jewelry, diamond, or gemstone

• Laser Inscription

  Laser inscribe your diamond with a unique identification number or text. See “Laser Inscription” for more information

• Signature

  Each certificate bears the signature of a gemologist

• Firetrace

  Light return analysis results, indicating quality of Brilliance, Dispersion, and Scintillation (for more information, please see “FireTrace”)