DIAMOND GRADING CHART CLARITY Internally Flawless Very Very Slightly Included Very Slightly Included Slightly Included Included I.F. VVS 1 VVS 2 VS 1 SI 1 SI 2 I 1 I 2 I 3 VS 2 CARAT COLOR D - F Colorless G - J Near Colorless K - M Slightly Tinted N - R Very Light S - Z Light CUT Total Depth Table Width Crown Angle Pavilion Angle Girdle Diameter Crown Height Girdle Culet Pavilion Depth Too Deep Too Shallow Excellent to Good Hearts & Arrows “ Ideal ” Excellent to Very Good Light Return SHAPE Round Emerald Heart Marquise Pear Cushion Radiant Oval Princess THE GLOBAL AUTHORITY IN DIAMOND, GEMSTONE AND JEWELRY GRADING www.igi.org 1975 I N T E R N A T I O N A L G E M O L O G I C A L I N S T I T U T E