Beauty, Brilliance, Life and Fire

Choosing the perfect diamond engagement ring is not as difficult as you might think. Simply drop in to Kneisels, and, in the comfort of our private viewing area, be tempted with beauty, brilliance, life and fire!

All our diamonds are ethically sourced and carefully selected for their lasting beauty and value for money.

It is important to remember that although the 4 Cs and a diamond certificate is of great significance, the most important thing is that you find the perfect stone for you.

Whether you choose from our wide selection of Diamond set rings or hand-selected loose stones, or with our access to international diamond markets, that dream of finding your perfect Diamond can come true.

The ‘Four Cs’, Cut, Carat weight, Colour, and Clarity remain the standard criteria for explaining diamond characteristics and are frequently supported by certificates from independent laboratories, such as the GIA or HRD.


Cut is one of the most important factors of a diamonds beauty and there are many different shapes, the classic Brilliant cut, the Princess, Pear, Emerald and Marquise, all designed to enhance the radiance and beauty of the diamond.  However, in diamond grading the ‘cut’ is really all about how well the facets interact with light, regardless of the overall shape of the stone.

It refers to the precise positioning, shape and angle of a diamonds facets, which in turn gives it ability to transmit and reflect light.   How its facets interact with light, produces the diamond’s unique ‘sparkle’.


Carat weight

Diamond Carat weight measures a diamonds apparent size. Taken by itself, carat weight does not determine a diamonds value. But all else being equal, diamond price increases with carat weight because larger diamonds tend to be more rare and thus more desirable. Each carat can be subdivided into 100 ‘points’. We usually describe the weight of a diamond weighing under one carat by its points

One carat is equal to 100 points and so a half carat or 0.50cts is referred to as a fifty pointer, a fifth of a carat or 0.20cts is known as a twenty pointer and so on.


Colour is generally considered to be the second most important characteristic when determining a diamonds value.   Diamonds are evaluated on the absence of body colour.  Each stone is colour graded to a precise scale starting at the letter D (representing colourless) and continuing, with increasing traces of colour, to Z (heavily yellow tinted).

Many of these color distinctions are so subtle that they are invisible to the untrained eye; however, these distinctions make a very big difference in diamond quality and price.



A diamond’s clarity refers to its optical purity.  Put simply, it is a measure of the number and size of the tiny inclusions or surface marks, occurring in almost all diamond, that can be seen under 10x magnification

Diamonds form under extreme heat and pressure, deep within the earth and they often contain, either internal (inclusions) or external (surface marks) blemishes.

Evaluating diamond clarity involves determining the quantity and nature of these blemishes and how they will affect the diamonds overall appearance.

While no diamond is perfectly pure, the closer it comes, the higher its value.

Diamonds without inclusions and surface marks are rare, and rarity affects a diamond’s value.


The Clarity Scale has 6 categories, some of which are divided for a total of 11 specific grades.  Diamonds are assigned a clarity grade that ranges from flawless (FL) to diamonds with obvious inclusions (I3) or (Pique`).