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American Cuts

Hearts & Arrows Ideal Cut corresponds to Hearts & Arrows

Hearts & Arrows

Displays the visual phenomenon that appears in the Worlds finest Ideal round brilliant cut diamonds. A Hearts & Arrows Ideal Cut Diamond is the ultimate, supreme most magnificent cut diamond man can produce; it accounts for less than 1 % of all diamonds cut. . The highest grades of polish and symmetry allow it to reflect more light than the standard American ideal cut.

The phenomenon of the Hearts & Arrows Ideal Cut may be view easily by any body that possesses a proportion or fire scope. Top 1%

The phenomenon of the actual Hearts & Arrows visual look may be viewed easily by any body that possesses a proportion or Hearts and Arrows viewer.

American Ideal Cut corresponds to Superb Ideal Cut

Ideal Cut

Corresponds to approximately 16% of the top diamond quality based on cut. The range for the proportions as defined by the American Gem society: Table Diameter: 52.4% to 57.5%, Crown Angle: 33.7 degrees to 35.8 degrees, Girdle Thickness: Thin to Slightly Thick (.51% to 2.95%), Pavilion depth percentage: 42.2 % to 43.8%, Culet: (Pointed) None, Very small to Medium, Total Depth: 58.7% to 62.3%.Noting good symmetry and polish. These percentage ranges justify the beauty and quality of the diamond. An Ideal American cut will reflect nearly all light and is truly a top quality, striking and highly prized cut.

International Fine Trade Cut corresponds to Super Fine Cut

Fine Cut

Corresponds to approximately 24% of the top diamond quality based on cut. The proportions for International Fine Cut as defined by AGA Accredited Gem Appraisers are set out in the AGA table below. International Fine Trade cut or "Fine Cut "is still with in the range of a well cut diamond, it will reflect most light that enters it and has a healthy beauty. The benefit here starts to become noticeable with price.

American Average Cut or Average Cut corresponds to Classic Cut

Average Cut

Corresponds to approximately 38% of the usual diamond quality based on cut. The proportions for Average Cut as defined by AGA Accredited Gem Appraisers are set out in the AGA table below. Average cut diamonds are more usual commercial cut trade heavily in the bulk of mass produced jewelry .These diamonds are usually cut for weight .An Average cut diamond will reflect light and is sparkly.

Below Average Cut corresponds to Below Average Cut

Below Average Cut

Corresponds to all the rest of round brilliant shaped diamonds that fall out side normal specific cutting ranges. The proportions for Average Cut as defined by AGA Accredited Gem Appraisers are set out in the AGA table below. These diamonds are too deep, narrow, shallow or wide and lose most of their brilliance and Fire, the light passes through and leaks out the stone. Some of these stone may have an interest and beauty factor, price should be well below superior diamonds.

Marcel Tolkowsky

Marcel Tolkowsky was a Belgium diamond cutter, In 1919 he publicized his determinations for the most attractive and balanced cut for round brilliant diamonds, his proportions where based on experience, maximum beauty, collected opinion and mathematical calculation, this set the industry standard for many years, Marcel could be described as the father of the Modern Brilliant cut.

His proportions for cutting were followed and approximated for many years.

Tolkowsky Diamond

Diamonds are some times improperly called Tolkowsky cuts when their proportions range only approximates that of the exact proportions determined by Tolkowsky.

These proportions are

  • 34.5° Crown Angle.
  • 40.75° Pavilion Angles.
  • 59.3% Total Depth (excluding girdle thickness) with 16.2% of the depth being comprised of the crown (top half of the diamond) and 43.1% representing the pavilion lower half of the diamond.
  • 53% Table based on diamond's overall diameter.

Now with increased desire for perfection and with greater beauty the Hearts and Arrows Ideal Cut Diamond was created too even more exacting proportions of balance and beauty , remembering that only an exact small changeable ratio of proportions creates this Phenomenon of the Hearts and Arrows effect.

The American Gem Society or AGS has laid down their determination Ranges for Ideal Brilliant Cut Diamonds.

Ideal Diamond