Diamond FAQ
What are the 4Cs of diamond quality?
The 4Cs are Cut, Colour, Clarity and Carat Weight. Together, these characteristics determine a diamond's appearance, rarity and value.
Which of the 4Cs is most important?
Cut is often considered the most important factor, as it influences how effectively a diamond reflects light and displays brilliance.
What is the difference between natural and lab-grown diamonds?
Natural diamonds are formed beneath the Earth's surface over billions of years. Lab-grown diamonds have the same physical, chemical and optical properties but are created in controlled laboratory environments.
Are lab-grown diamonds real diamonds?
Yes. Lab-grown diamonds are genuine diamonds and are not the same as simulants such as cubic zirconia or moissanite.
What diamond colour grade should I choose?
For an excellent balance of appearance and value, many buyers choose diamonds within the G–H colour range. D–F diamonds are considered colourless and are among the rarest grades.
What clarity grade is recommended?
VS1, VS2 and SI1 clarity grades often provide exceptional appearance while remaining excellent value, as most inclusions are not visible to the naked eye.
Does a higher carat weight mean a better diamond?
Not necessarily. A well-cut diamond with excellent proportions can appear more brilliant than a larger diamond with lower quality characteristics.
Are Harper Kendall diamonds certified?
Where applicable, certified diamonds are accompanied by grading reports from recognised independent gemological laboratories, providing verification of the diamond's characteristics.
Can diamonds lose their sparkle?
Diamonds do not lose their brilliance permanently. Everyday oils, lotions and dust can reduce their appearance until professionally cleaned or carefully maintained at home.
How should I clean diamond jewellery?
Diamond jewellery can be cleaned using warm water, mild soap and a soft brush. After cleaning, rinse thoroughly and dry with a lint-free cloth.
Can diamonds be scratched?
Diamonds are the hardest natural gemstone and are highly resistant to scratching. However, they can still chip if subjected to significant impact.
How should I store diamond jewellery?
Store diamond jewellery separately in a jewellery box, pouch or soft-lined compartment to help prevent scratches to other jewellery.
Do diamonds make a good investment?
Diamonds are primarily purchased for their beauty, rarity and sentimental value. While certain exceptional diamonds may appreciate over time, jewellery should generally be viewed as a luxury purchase rather than a financial investment.
How can I verify my diamond?
Certified diamonds can often be matched to their grading report and, where applicable, laser inscription number, providing additional peace of mind regarding authenticity.
Do you offer diamond jewellery gifts?
Yes. Diamond jewellery remains one of the most timeless gifts for anniversaries, birthdays, engagements, weddings and special milestones.
Which is the most important of the four C’s?
Cut: The most important aspect of a diamond that most readily impacts a diamond’s beauty. Look for high levels of brilliance and fire, and be willing to reduce your spending in other areas like Clarity or Colour to ensure an exceptional Cut.
Colour: The second most important aspect to focus on. A diamond should look white or colourless to the naked eye. Ensure the Colour does not distract or interfere with white and colored light reflection.
Clarity: The third most important characteristic on the list. Choose a diamond that is eye clean. Blemishes and inclusions should not distract from the brilliance or fire of a diamond.
Carat: Last but not least. Consider what is important for you and the one you love, but remember that brilliance and beauty will outshine mere weight every time. Be open to lowering your Carat weight to ensure you purchase a stunning diamond.