LOOSE DIAMONDS RINGS   Engagement Rings   Three Stone Rings   Diamond Bands JEWELRY   Stud Earrings   Bracelets ESTATE JEWELRY EDUCATION SELL YOUR DIAMOND ABOUT US Special Requests - Sell Your Diamond - Place An Order IDEAL CUT Assuming equal cut, the more a diamond weighs, the larger it looks. The following chart shows diameters for fine to ideal cut diamonds of a given carat weight. .10 ct. - 3.0 mm (millimeters) 1.50 - 7.45 mm .25 ct. - 4.1 mm 1.75 - 7.80 mm .33 ct. - 4.5 mm 2.00 - 8.20 mm .50 ct. - 5.15 mm 2.50 - 8.80 mm .75 ct. - 5.85 mm 3.00 - 9.35 mm .90 ct. - 6.25 mm 4.00 - 10.30 mm 1.00 ct. - 6.50 mm 5.00 - 11.00 mm 1.25 ct. - 7.00 mm The closer to ideal a diamond is cut, the more value it has. Diamond professionals are well aware of the value of cut, and will adjust the price of a diamond accordingly. The following are ranges of cut proportions for fine to ideal round modern cut diamonds. Fine Cut Ideal Cut Depth 57.5 - 62.5% 60 - 62.5% Table 53 - 63% 53 - 58% Girdle thin - thick thin - slightly thick Culet none - small none - very small Symmetry Good - excellent very good - excellent Comments Crown angle over 36 degrees no crown angle comment Return to Tutorial Page

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