Types of diamonds used in jewellery

Everyone has probably heard of gemstones but knows very little about them. This gemstone is

a diamond cut in a special, ultra-precise way: the facets are arranged in such a way that

emphasises the natural beauty of the stone – its colour, transparency, and light refraction.

Jewellers have developed enough cutting styles to find a personal approach to each gemstone,

a way to create a beautiful, sparkling diamond.

Types of diamonds used in jewellery

How are the types of gemstones differentiated?

Jewellers use the 4C rule for grading stones: Carat/ Colour/Clarity/Cut. Each category has its

own peculiarities and they are not always understood by those who are not in the jewellery

profession. But even the basics will be enough to choose and buy any diamond jewellery that is

truly worthwhile. Diamonds used in jewellery?

Diamond carats

A carat is a common unit for measuring the weight of gemstones and has a very fascinating

history. Carat weight alone does not determine the value of a gemstone. For example, two one-

carat diamonds can vary greatly in price based on their clarity, colour, and cut. With that in

mind, it is clear that large gemstones of impeccable quality are rare.

The colour of diamonds

To distinguish gemstones by colour, the GIA’s Universal International Diamond Identification

System was developed, where gradations are denoted by the letters D to M:

  • Colourless gemstones are the most expensive stones on the jewellery market; these are D, E, and F grades. Such diamonds are suitable for investment and are used in exclusive jewellery or for storing and enhancing funds. The growth in value of suchstones is 10% annually;
  • G-H is the next category; these gemstones are also quite valuable but have a lower value due to the subtle yellow hue;
  • All other diamonds, from I to Z, belong to the group of inexpensive colourless stones and are the most widely used in jewellery.

The clarity of a diamond

It is almost meaningless to evaluate the colour without the clarity of the gemstone, as these

parameters are interdependent, although it is very difficult to find a stone with an ideal

relationship between colour and clarity, as they are very expensive, rare, and perfectly cut

gemstones. Only a professional gemologist is able to estimate the clarity of this parameter.

Clarity is a parameter that shows how many imperfections the stone has and to what extent

these inclusions affect the appearance of the diamond.

Not all jewellery companies can boast high-quality and clean gemstones. Cartier and

Tiffany&Go are world leaders in jewellery and pay particular attention to the clarity of diamonds.

Jewellers say: “You should pay more attention to the quality of the diamonds than to their size. It

is the clarity that determines the value”.

Diamond cutting

In general, there are a huge number of cutting methods. But not all of them are used in modern

jewellery art – not necessary and perhaps not the right stones. Like all the preceding

parameters, the cut that turns a gemstone into a beautiful gemstone is judged by its quality. And

the main requirement for processing is to create geometrically precise, preferably flawless

facets and their proportions.

When choosing diamond jewellery, consider these 4 parameters by which they are divided into

types. This will help you buy a beautiful, high-quality, and optimally priced piece of jewellery.

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