DOs and DO NOTs when buying a Diamond

By 23.09 September 20th, 2018 No Comments

Diamonds attract wealthy investors as hard asset investment commodities, as well as being bought by the public for jewelry items such as engagement rings. Should the latter be the area of your concern, then it is wise to know that usually men are concerned with the quality of a diamond, whereas women are concerned with size! The purchasing of a diamond can be a wonderful and exciting experience, so be smart and buy wisely. Keeping this in mind, take note of the dos and don’ts when buying a diamond, whether for a piece of jewelry or as an investment.



It is worthwhile to shop around to find an experienced supplier that suits your particular needs. Check the credentials of the supplier of your choice and look at various stones of similar shapes, sizes and qualities before deciding which one you want to purchase – compare ‘apples with apples’ first by comparing other suppliers’ stones. It is wise to view several stones at various suppliers before making a final purchase.

Your spend budget should be an amount that is affordable and will be dependent on the Four Cs of cut, color, clarity and carat weight. Teach yourself about the Four Cs which will determine the stone’s value. Differences in the various Cs can have a great impact on price, so do your homework first! Only pay an amount within your budget so that you are not put into debt.

The cut is the most important in order to maximise the amount of light coming through the stone. Clarity determines a major part of the value of the chosen stone. Color is personal, and should be of your preference, be the stone colorless or one the many colors available – the various grades of color will again determine the value. Carat determines the weight of the stone and subsequently the cost as well.

Ensure that you see the original certificate (not a copy) from a reputable independent gemology laboratory such as GIA (Gemological Institute of America), especially if purchasing a high quality diamond. Inspect the diamond under a 30x magnification microscope as this will show any flaws. A 10x magnification is not good enough for scrutinising flaws. Once you have seen the original certificate, and checked under the 30x microscope to see the flaws as well as the dimensions in mm, then check the weight. Only by checking these factors and verifying them yourself, can you be sure of the qualities of the stone of your choice. Also have the appraisal done in front of you before purchasing. Although an appraisal is for insurance value, it does not necessarily indicate its real market value.

If you are having the diamond/s set in a piece of jewelry, then watch the setting being done – in this way you are assured that no stone is being replaced by one of a lesser quality, size, color or carat weight.

Do nots

It is not advisable to buy a diamond from just any online jewelry store unless it comes from a trusted Diamond Advisor. You will have no idea of whether or not the supplier has good intentions and so many factors are deemed necessary when choosing a stone – know what these are before choosing a diamond.

When you have made a choice on your terms, think about this first – leave the supplier, think about your choice and only make the purchase when you are absolutely sure about the chosen diamond. Do not buy the first stone you see – shop around and act wisely and do not be fooled by sale or discounted stones.

Certification is imperative. If the diamond cannot be verified with a certificate, then do not buy it!

When buying diamonds, take cognisance of the Dos and Do nots and then your investment is assured of being a good one.


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