Rough diamonds – What are they

Typically, gemstones of various kinds and especially the ones that find their way into jewelry and other embellishments are creatures which glitter powerfully and more importantly are of perfectly even sizes and shapes. But, they were not “born” this way and most gemstones have to go through a careful process of polishing, cutting and so on to take their final shape. Take diamonds for instance, this allotrope of carbon can be pretty unremarkable before it is cut and polished. And this is where the term rough diamonds comes into play.

What are rough diamonds?

Diamonds have thoroughly fascinated mankind from time immemorial. These natural stones are formed because of various phenomena such as the following coming together:

  • Extremely high temperatures
  • High pressures
  • Presence of carbon containing minerals and finally
  • Some violent natural events such as a volcanic eruption to bring the diamonds to the Earth’s surface.

The natural stones found in various places around the world are uncut diamonds and can be pretty hard to distinguish sometimes.

 Identification of rough diamonds

Different experts talk about the need to identify a rough diamond in various ways. Some of the most popularly employed methods are:

  • Looking at the crystal form
  • Getting an expert to look at it
  • Specific gravity tests
  • Testing thermal absorption and even
  • Testing for the hardness of such uncut diamonds.

One word of caution though, it would be useful to go in for top of the class equipment or technology when you are looking at testing rough diamonds. For instance, when you are testing for thermal absorption, it is good to go in for a high quality tester which may come at a slightly higher price.

 Shapes of rough diamonds

Predominantly an uncut diamond will be seen in an octahedron shape. This roughly looks like someone has stuck a couple of 4 sided pyramids by their bases. However, such a rough diamond can also come in other shapes such as cubes, irregular and even a 12 sided figure. Of course, the thing to remember here is that it would be an irregular kind of shape. It is only after the diamonds go through a careful and diligent process of cutting and polishing that they acquire easily distinguishable shapes such as teardrop, Emerald and so on.

 Availability of colors

It is also interesting to note that there is quite a large spectrum of colors when it comes to diamonds. Of course, the finest quality of diamond is one where it does not have any color whatsoever. But there are some extraordinarily famous diamonds such as the Hope Diamond which is blue. Rough diamonds can acquire various tints and shades because of reasons such as chemical impurities, radioactive impurities and even structural defects. Depending entirely on the intensity of the color and the final cut of the stone, it may become extremely precious even though colored diamonds are said to be less pure than pristine white stones.

Thus, getting hold of a rough diamond and then putting it through a process of cutting and shaping is what converts a natural stone into a glittering work of art. To know more please visit –

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