Your Diamond Buying Guide | BNT Diamonds
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Your diamond buying guide: What to consider before buying a diamond

25 nov. 21

In this guide, we will cover the following topics to help you go into the diamond buying process with confidence:

After reading this diamond buying guide, you will have a deeper understanding of what you need to consider before buying a diamond to ensure you achieve the best return on investment.

Know the 4 Cs of diamond quality

The value of a diamond is determined by the 4 Cs — carat, colour, clarity and cut. Before you decide to buy a diamond as an investment, it is absolutely essential to learn about these four elements to ensure you make your money go as far as it can.

We have a detailed guide to the 4 Cs available here, but we will provide a brief overview below:

Carat: The carat of a diamond is determined by the weight of the diamond. The bigger the diamond, the higher the carat weight. One carat is equal to 200 milligrams. The carat of a diamond will determine the value and price of the gemstone.

Colour: An international colour gradation system provides a code from D to Z, where D is fully colourless and Z is a yellow hue. A diamond with colour D is the most valuable. The colour of colourless investment diamonds varies between D and G. There are also coloured diamonds (brown, orange, pink, red, yellow, green or blue), some of which are very rare.

Clarity: Most diamonds have inclusions — impurities on the inside of the diamond. To measure the clarity, experts from an institute like GIA study the diamond for impurities under a tenfold magnification through a microscope and then score it.

Cut: Of all the diamond Cs, the cut is the most complex and technically difficult to analyse. The cut quality is determined by the proportions, symmetry and the extent to which the diamond shimmers.

For more details on the 4 Cs, you can also refer to this diamond buying guide chart by IGI, which provides helpful visuals on each aspect.

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Always ask for a certified diamond

When buying a diamond, it is crucial that it comes with a certificate from a reputable independent lab, such as GIA, IGI or HRD.

A certificate, or diamond grading report, contains information about the diamond that supports its pricing, i.e., details on the 4 Cs.

Although you could buy a diamond without one, it would be unwise, particularly if you hope to sell the diamond in the future. Not only does a certificate act as a layer of security for you, but it will also reassure any future reputable buyers that it is a legitimate diamond, increasing the chances of a sale.

At BNT Diamonds, all our diamonds are certified by the GIA, HRD or IGI to give you peace of mind.

Choose a reputable seller

On the GIA website, it states that you should choose your diamond seller as you would choose a doctor. At BNT Diamonds, we agree.

When buying an investment diamond, you need to ensure that you’re buying from reputable experts who can help you make the right choice. This is true whether you are buying online or in-store.

Here’s what you need to consider before buying a diamond:

  • How long has the company been in business, and do they have stellar reviews?
  • Do the diamonds come with certificates from reputable laboratories?
  • Do they offer guidance and answer your questions in clear and simple language?
  • Do they offer secure transactions? This is particularly important when buying online.

As with any investment, it is important to do your research to maximize your ROI and ensure that you are buying a natural, high-quality diamond.

Let the experts at BNT Diamonds help

If you are hoping to invest in diamonds, our experts at BNT Diamonds will be happy to help. All our diamonds are certified by the GIA, HRD or IGI, proving that they will be 100% natural and conflict-free.

All our diamonds also come directly from the source, allowing us to offer you the best price / quality relation out there.

If, after reading this diamond buying guide, you require further advice, please ask the diamond specialists at BNT Diamonds or call us on +32 3 201 24 90.

Avec cet article, BAUNAT s'engage à vous informer sur l'investissement dans le diamant. Aucun investissement ne peut être garanti sans risque ou entièrement selon vos attentes. C'est pourquoi nous vous recommandons de faire des recherches sur les risques et sur tous les aspects concernant l'investissement dans le diamant afin de vous assurer que vous faites le bon choix pour votre portefeuille.