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A variety of fancy diamond shapes. From left to right, top row: princess-cut diamond, round brilliant-cut diamond, pear-shaped diamond, baguette-cut diamond. Lower row: marquise cut, oval brilliant cut, trilliant cut, emerald cut, and finally heart-shaped diamond. Photo by Mark Johnson, Serendipity Diamonds. Licensed under CC By-ND 2.0.
14 de ene. de 2016 · The Good cut grade diamond isn’t quite as bright – reflections aren’t as sharp and there’s more darkness or dullness in the diamond. The Poor cut grade diamond has much more prominent dark areas or dullness. Given the choice, most people would pick either of the first two diamonds instead of this stone. If you look at the photo above ...
26 de ene. de 2018 · 1. Round. 2-carat round brilliant cut diamond and platinum ring, 2022. The round brilliant cut is the most classic of all stone cuts. Circular with 58 facets, the stone is cut to maximize its brilliance. Anything that is not a round cut is called fancy cut. Round brilliant stones have been popular since the early 1900s. 2.
DIAMOND CUT. Understanding Diamond Cut. Diamonds are renowned for their ability to transmit light and sparkle so intensely. We often think of a diamond’s cut as shape (round, heart, oval, marquise, pear), but what diamond cut actually does mean is how well a diamond’s facets interact with light.
Cut refers to shape (pear, oval), and also the symmetry, proportioning and polish of a diamond. The cut of a diamond greatly affects a diamond's brilliance—a poorly-cut diamond is less luminous. In order to best use a diamond gemstone 's material properties, a number of different diamond cuts have been developed.
Modern Diamond Cutting GEMS & GEMOLOGY Summer 1997 103 scale), diamond is also one of the most diffi-cult gem materials to facet. 2. Although diamond is optically isotropic (i.e., it has only one refractive index), its hardness varies with crystallographic orien-tation, such that it can only be polished in certain crystallographic directions. These
