Perfect Diamond Dimensions Round

For a princess cut diamond choose a diamond with an ideal depth of 68 to 75.

Perfect diamond dimensions round.

The round cut diamond is the most popular diamond shape representing approximately 75 of all diamonds sold. Like with the ideal diamond table percentages we listed above these ranges are intended as general guidelines only. Marcel tolkowsky revolutionized the world of round brilliant diamonds in 1919 when he published his landmark book titled diamond design. This is exactly what you are looking for in a beautiful diamond.

Ideal cut diamond proportions and brilliance. It will therefore exhibit a lot of sparkle brilliance and scintillation. The tolkowsky ideal cut. In 1919 the mathematician and renowned gemologist marcel tolkowsky published his findings for the perfect diamond proportions in his thesis entitled diamond design a study of the reflection and refraction of light in a diamond all diamonds that were within the parameters of the so called tolkowsky ideal cut were considered to have an excellent light return.

Due to the mechanics of its shape the round diamond is generally superior to fancy diamond shapes at the proper reflection of light maximizing potential brightness. However if the proportions of a diamond are. This article has two sections. For a round diamond an ideal depth percentage is between 59 and 62 6 percent this very nice 1 30 carat round cut for example has a depth of 61 8.

If you have a stone with perfect diamond proportions the diamond will refract the light in an excellent way. Please note that gia does not assign a cut grade to fancy cut stones such as princess cut or cushion cut yet but still these proportions are critically important in analyzing the cut. Round diamonds a complete guide.