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Diamond Proportions Hearts & Arrows Ideal Cut American Ideal Cut International Fine Trade Cut American Average Cut or Average Cut Below Average Cut AGA Round Diamond Proportions chart AGA Princess Diamond Proportions chart AGA Pear, Heart, Oval, Marquise Diamond Proportions Chart AGA Emerald & Radiant Diamond Proportions Chart Marcel Tolkowsky AGS Proportions Charts for Brilliant Cut

Diamond Shapes | Diamond Weight | Diamond Proportions | Diamond Color | Diamond Clarity Interesting Diamonds facts Emerald & Radiant Diamond Proportions Chart   Ideal Cut Premium Cut International Fine Trade Cut US domestic Average Cut Below Average Cut Cut classes Class 1A Class 1B Class 2A Class 2B Class 3A Class 3B Class 4A Class 4B Table, % 61-63.5 63.6-64.1 60.9-60 64.2-65.0 59.9-59.0 65.1-69.0 58.9-58 69.1-74.0 57.9-56.0 74.1-76.0 55.9-53.0 76.1-78.0 52.9-50.0 > 78.0 < 50.0 Crown height, % 12.3-14.4 12.2-11.9 14.5-15 11.8-11.5 15.1-15.5 11.4-11.1 15.6-16.2 11.0-9.5 16.3-17.0 9.4-8.5 17.1-18.5 8.4-7.8 18.6-19.5 < 7.8% > 19.5 Girdle Thikness, % Word description and percentages Thin to Medium or Medium to Thick 1% to 3.0% or 1.7% to 5.5% Thin to Thick 1% to 5.5% > more variance Very thin to Very thick 0.4% to 7.0% Extremely thin to Extremely thick 0% to > 7.0% Total Depth, % Determined by factors already considered above 60-65 65.1-69.0 59.9-58.0 69.1-74.0 57.9-57.0 74.1-78.0 56.9-56.0 78.1-80.0 55.9-53.0 > 80.0% < 53.0% Polish/Symmetry Not a primary determining factor Excellent to Good Good or Fair Poor Square range Length/Width ratios (Preferences only) 0.95-1.05 Rectangular range Length/Width ratios (Preferences only) 1.5-1.75 1.49-1.26 1.76-1.99 > Class 3 < Class 3 Stock Diamond Search 80 000 Diamonds online Negotiable prices Just Ask!

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