The largest diamond ever found is still the Cullinan Diamond (S.A., 1905) which weighed in at a jaw-dropping 3 000+ carats (or 1.3 pounds). Cut down into smaller diamonds, some pieces of the Cullinan are now part of the British Crown Jewels, making them a Queen’s best friend.

The largest diamond ever found is still the Cullinan Diamond (S.A., 1905) which weighed in at a jaw-dropping 3 000+ carats (or 1.3 pounds). Cut down into smaller diamonds, some pieces of the Cullinan are now part of the British Crown Jewels, making them a Queen’s best friend.

Carat in diamonds has nothing to do with the ‘karat’ in gold, and means something totally different. A carat is a unit of measure for a diamond’s weight and is evaluated on a points system.

Carat in diamonds has nothing to do with the ‘karat’ in gold, and means something totally different. A carat is a unit of measure for a diamond’s weight and is evaluated on a points system.

As a child we all have our favourite colours – perhaps you still do? When it comes to rocks, some people covet the purity of a clear, colourless diamond, while others find a yellow diamond warmer in tone. The differing colouration of diamonds comes down to natural chemistry. A white diamond is pure carbon but other natural elements sometimes enter the mix at source, resulting in a chemical reaction and new colouration - for instance, nitrogen (yellow) or boron (blue).

As a child we all have our favourite colours – perhaps you still do? When it comes to rocks, some people covet the purity of a clear, colourless diamond, while others find a yellow diamond warmer in tone. The differing colouration of diamonds comes down to natural chemistry. A white diamond is pure carbon but other natural elements sometimes enter the mix at source, resulting in a chemical reaction and new colouration - for instance, nitrogen (yellow) or boron (blue).

‘Cut’ - refers to the visible shape of a diamond (pear, emerald, square, and round). Cut is also about how the angles and facets sparkle off each other, the symmetry of the cut and the polish of the surface. The cut determines the value of your diamond, because in a well-cut stone the brilliance and beauty of diamond is fully achieved. Round diamonds tend to be the most brilliant, followed by square cuts. To cut a long story short, the more light a diamond reflects, the better the cut.

‘Cut’ - refers to the visible shape of a diamond (pear, emerald, square, and round). Cut is also about how the angles and facets sparkle off each other, the symmetry of the cut and the polish of the surface. The cut determines the value of your diamond, because in a well-cut stone the brilliance and beauty of diamond is fully achieved. Round diamonds tend to be the most brilliant, followed by square cuts. To cut a long story short, the more light a diamond reflects, the better the cut.

Clarity measures the flawlessness of a diamond. The clearer the diamond, the more valuable it is - although diamonds, like people, gain some charming character from their ‘flaws’. Diamond flaws are natural birthmarks called ‘inclusions’ if inside the diamond and ‘blemishes’ if on the surface. Experts measure clarity with a loupe, a small powerful magnifying glass. Learn more: http://www.nwj.co.za/good-to-know

Clarity measures the flawlessness of a diamond. The clearer the diamond, the more valuable it is - although diamonds, like people, gain some charming character from their ‘flaws’. Diamond flaws are natural birthmarks called ‘inclusions’ if inside the diamond and ‘blemishes’ if on the surface. Experts measure clarity with a loupe, a small powerful magnifying glass. Learn more: http://www.nwj.co.za/good-to-know

‘Cut’ - refers to the visible shape of a diamond (pear, emerald, square, and round). Cut is also about how the angles and facets sparkle off each other, the symmetry of the cut and the polish of the surface. The cut determines the value of your diamond, because in a well-cut stone the brilliance and beauty of diamond is fully achieved. Round diamonds tend to be the most brilliant, followed by square cuts. To cut a long story short, the more light a diamond reflects, the better the cut.

‘Cut’ - refers to the visible shape of a diamond (pear, emerald, square, and round). Cut is also about how the angles and facets sparkle off each other, the symmetry of the cut and the polish of the surface. The cut determines the value of your diamond, because in a well-cut stone the brilliance and beauty of diamond is fully achieved. Round diamonds tend to be the most brilliant, followed by square cuts. To cut a long story short, the more light a diamond reflects, the better the cut.

The karat is the standard measurement for gold and is divided into 24 parts. Pure gold is 24 karats, meaning 24 out of its 24 parts are gold – this makes for your ‘yellowest’, most classical-looking gold, but it’s also a pretty soft gold to work with.

The karat is the standard measurement for gold and is divided into 24 parts. Pure gold is 24 karats, meaning 24 out of its 24 parts are gold – this makes for your ‘yellowest’, most classical-looking gold, but it’s also a pretty soft gold to work with.

At NWJ, we're ALWAYS 50% off 18ct Gold and 35% off 9ct Gold and Silver. That's because there's no middle man in the journey from our factory to you.

At NWJ, we're ALWAYS 50% off 18ct Gold and 35% off 9ct Gold and Silver. That's because there's no middle man in the journey from our factory to you.

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