In order to understand a diamonds value and rarity it's important to have an understanding of the 4'Cs.

Once you have decided on the following factors, Colour, Clarity, Report origin, Measurements, Cut quality such as depth, table, girdle and fluorescence.

Diamond Anatomy, Explained

The next determining factor is carat weight.

Learn What Carat Means and What Diamond Carat Measures | 4Cs of Diamond  Quality by GIA

Here's some inside information on a diamond hack you can use to obtain a visually larger diamond without sacrificing quality and maximising your budget.

Diamond Pricing 

Diamonds are governed in accordance with a table known as a RAP or List price. These are updated weekly and are based on supply and demand from mines, manufacturers, dealers and retailers. (These are only available to diamond industry professionals.)

Its looks something like this.


Carat Weight

  • 0.30 - 0.39
  • 0.40 - 0.49
  • 0.50 - 0.69
  • 0.70 - 0.89
  • 0.90 - 0.99 
  • 1.00 - 1.49
  • 1.50 - 1.99
  • 2.00 - 2.99
  • 3.00 - 3.99
  • 4.00 - 4.99
  • 5.00 - 5.99
  • 10.00 - 10.99

So for example you could find a diamond which is 0.68ct which appears like a 0.75ct however is priced in a lower tier price bracket saving you £100's.

Same applies for buying a 0.98ct which appears like a 1.00ct but priced in a lower tier price bracket and again saving you over £1000 potentially.



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