Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo
Purely Diamonds logo

Loading your basket contents...

Help Centre & Information

We have collated our most frequently asked questions that we find ourselves being asked by customers before and after placing their order. If you cannot find the answer to your question here, please get in contact with us and our expert team will be ready to assist.

What are 'The 4 Cs'?
10 Dec 2018

Every diamond is unique.  Experts use what are called 'The 4 Cs' to calculate the value of a diamond. The 4 Cs are Carat, Cut, Clarity and Colour. The combination of these 4 factors influences the value of a diamond.  To read more about each one of the 4 Cs select an option below. ......

Diamond shapes
29 Nov 2018

Virtually all diamond cuts sold for use in jewellery are one of a few round or fancy diamond shapes. Choosing a diamond shape is usually the most difficult and most important factor to consider when picking a diamond. We’ve prepared a handy list of the most popular diamond shapes be......

Colour of a diamond
10 Dec 2018

A diamond can divide light in to a spectrum of colours (like a prism). Colour in a diamond acts like a filter and diminishes the spectrum of colours emitted. The less colour in the diamond, the better the colour grade. Grades of colour range from D, which is totally colourless, to Z, whic......

Clarity of a diamond
10 Dec 2018

Clarity is a measure of the size and number of imperfections, called 'inclusions', that occur naturally within a diamond. These inclusions are natural, and occur in all diamonds unless the diamond is graded 'flawless'. Flawless diamonds are extremel......

Cut of a diamond
29 Nov 2018

'Cut' is considered to be the most important characteristic of a diamond. It refers to the angles and proportions created when a rough diamond is transformed by a diamond cutter into its final polished state. The cut grade is a measure of how well light is reflected within a diamond, and i......

Carat of a diamond
10 Dec 2018

Carat is a measurement of weight for diamonds, not size as is sometimes mistakenly believed. Carat weight affects the price of a diamond more than any other of the 4 C’s. The greater the weight of the diamond the greater its value. One carat is the equivalent of 0.2grams. Carat is me......

Will my diamond be certified?
10 Dec 2018

Our diamonds are almost always graded by either IGI or GIA. All the certification companies we use are independent bodies that test, grade and certify your diamond through their specialist examination processes. Your certification report is recognised proof of the 4 C’s of your dia......

Conflict Free Diamonds Guaranteed at Purely Diamonds
29 Nov 2018

Purely Diamonds only deal in conflict and cruelty free diamonds that come from legitimate sources NOT involved in funding conflict. We’re strongly against conflict/blood diamonds and the damage they incur. We guarantee that......

Colour and Clarity explained
29 Nov 2018

Colour and Clarity are 2 elements of 'the 4 C’s' that experts use to calculate the value of a diamond. The less colour in a diamond, the better the colour grade and the fewer inclusions in a diamond, the better the clarity.  If you want to learn more about the colour and clarit......

What does 'carat weight' mean?
29 Nov 2018

'Carat Weight' refers to the weight of a diamond/gemstone. Of the '4 C's', carat weight affects the value of a diamond more than any other factor.  We try to display the carat weight as well as the size of the stone in millimetres on our product pages for your reference.  You sh......

What fluorescence grade are your diamonds?
29 Nov 2018

We only use stones with None, Very Slight, Slight or Faint Fluorescence. We don't use any diamonds with Medium-Very Strong fluorescence as standard, but if this is your preference you can request this when you place an order with us.  What is diamond fluorescence? Diamond fl......

What cut grade are your diamonds?
29 Nov 2018

All our round brilliant cut diamonds have a ‘Cut grade’ of Very Good (minimum). Our fancy cut stones such as princess cut, emerald cut, marquise etc, will have grades of at least Good+.  In the majority we use Very Good+ (Please note, that fancy cut stones do not generall......

Where do you source your diamonds from?
29 Nov 2018

We purchase most of our diamonds from suppliers in London, Israel and Antwerp (Belgium). We do have a small stock of diamonds here, but mostly we purchase diamonds as and when they are needed for each specific order.  We buy our diamonds already polished, and anything over 0.30ct we p......