General Information

About Diamonds

Diamonds: The Four C's

1. Colour

Diamonds are graded by colour, starting at D and continuing down the alphabet. Truly colourless stones, graded at D, are the top on the diamond pyramid due to their rarity.

While many diamonds appear colourless, some have subtle yellow or brown tones, normally stones graded at P and Q. If these tones are evident in a diamond, the stone will be less valuable, however all diamonds are precious and equally as beautiful.

» View Colour Chart

2. Cut

One of the most important characteristics to look for when buying a diamond is the way the stone is cut, which will determine the brilliance and fire of the stone. This particular factor is in the hands of the diamond cutter who has the responsibility of making sure each of the stone's facets and angles are in exact geometric relation to one another.

The cut of a diamond should not be confused with the shape, in fact the cut refers to the structure of the diamond's facets. The facets of a diamond are what makes the diamond shine and produce a rainbow of colour. At Loloma Diamonds, we disregard stones cut under a well-cut classification - we aim to supply only quality to our customers.

» View Cut Chart & Types

3. Clarity

As you may have read, the colour and cut of the stone determine the value of a diamond. Another characteristic that determines the value and beauty of a diamond is the actual clarity of it. The defined chart seen on this page indicates the clarity of particular stones. A flawless diamond is one of great worth, often very rare and rather expensive to buy given that the correct ingredients of the diamond are present.

On the other end of the scale, imperfect diamonds are not too commonly sought after due to the amount of flaws and therefore making them less expensive. Most diamonds, however, have some sort of inclusion or flaw often referred to as feathers or clouds, this is simply the way a diamond is formed.

» View Clarity Chart

4. Carat

All diamonds are measure in carats, a gemologist's standard measure of a diamond size. A carat is equal to 100 points. A diamond with .25 points (pt) is equal to a 1/4 of a carat, a .75 pt diamond is equal to a 3/4 of a carat and so on. A largely cut diamond is usually associated to being highly priced, however one smaller in size can be worth much more, depending on the colour, cut and clarity.

» View Carat Size Chart

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General Information Welcome About Loloma Jewellers View Our Catalogues History of Gold Jewellery About Opals About Pearls Our Range of Watches Helpful Links About Diamonds Introduction The History of Diamonds The Choice is Yours Shapes to Choose From The Four C's	Diamonds: The Four C's 1. Colour Diamonds are graded by colour, starting at D and continuing down the alphabet. Truly colourless stones, graded at D, are the top on the diamond pyramid due to their rarity. While many diamonds appear colourless, some have subtle yellow or brown tones, normally stones graded at P and Q. If these tones are evident in a diamond, the stone will be less valuable, however all diamonds are precious and equally as beautiful. » View Colour Chart 2. Cut One of the most important characteristics to look for when buying a diamond is the way the stone is cut, which will determine the brilliance and fire of the stone. This particular factor is in the hands of the diamond cutter who has the responsibility of making sure each of the stone's facets and angles are in exact geometric relation to one another. The cut of a diamond should not be confused with the shape, in fact the cut refers to the structure of the diamond's facets. The facets of a diamond are what makes the diamond shine and produce a rainbow of colour. At Loloma Diamonds, we disregard stones cut under a well-cut classification - we aim to supply only quality to our customers. » View Cut Chart & Types 3. Clarity As you may have read, the colour and cut of the stone determine the value of a diamond. Another characteristic that determines the value and beauty of a diamond is the actual clarity of it. The defined chart seen on this page indicates the clarity of particular stones. A flawless diamond is one of great worth, often very rare and rather expensive to buy given that the correct ingredients of the diamond are present. On the other end of the scale, imperfect diamonds are not too commonly sought after due to the amount of flaws and therefore making them less expensive. Most diamonds, however, have some sort of inclusion or flaw often referred to as feathers or clouds, this is simply the way a diamond is formed. » View Clarity Chart 4. Carat All diamonds are measure in carats, a gemologist's standard measure of a diamond size. A carat is equal to 100 points. A diamond with .25 points (pt) is equal to a 1/4 of a carat, a .75 pt diamond is equal to a 3/4 of a carat and so on. A largely cut diamond is usually associated to being highly priced, however one smaller in size can be worth much more, depending on the colour, cut and clarity. » View Carat Size Chart