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1 carat diamond

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Retail price benchmark provided by Idex, world leading supplier of diamond price information. Learn more about the calculation methodology


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1 Carat Diamond: Buy your diamond at your diamond shop in Antwerp

Browse our selection of 1 carat diamonds. Filter your search by diamond carat, diamond color and diamond clarity to find your perfect loose diamond. We have preselected our diamonds so you are sure that whatever you buy it will be a visually beautiful diamond.

Why is 1 carat a popular size?

People tend to prefer rounded numbers, this is one of the reasons why a 1 carat diamond is highly in demand. A 1 carat diamond is even more exclusive as it not only represents a rounded number but it is also a whole, single carat, the most sought after and demanded size by anyone looking for a diamond engagement ring.

Important to know: as this carat size is highly in demand, there is a noticeable price difference between a 1 carat diamond and a .99 carat diamond , the premium for a 1 carat diamond can be as high as 20% while the price difference between a 0.99 and 0.98 carat is only around 1%.

1 carat: How much does a 1 ct diamond cost?

The average price people spend on a 1 carat diamond is around 4000-6000 Euro. The very best qualities for a 1 carat diamond can cost over 16000 Euro, depending on their characteristics and overall quality. If you are willing to make concessions in color and clarity you can already find a1 carat diamond below 2000 Euro even. When you decide to make an important purchase like this we recommend you to educate yourself so you understand what determines the quality and price of a diamond. Our diamond consultants are available to help you with personal and professional advice, online or in our office.

Learn more about carat sizes in our guide or how the prices are set for a 1 carat diamond

1 carat diamond: Tips to save money when buying your diamond online

Instead of a 1 carat diamond buy a diamond just below rounded digits for a saving up to 20%

Fluorescence is not visible with the naked eye, consider buying a diamond with a faint Fluorescence ( when buying a diamond for an engagement ring. We do not recommend this for investment purposes)

Bottom line

A 1 carat diamond is the preferred choice for investment purposes. They will keep their value better long term and always will have a significant price difference compared to diamonds with even a slightly lower weight.

We believe in giving our customers all the info they need so that they can make informed buying decisions. By taking the time to select a diamond that is right for you, you will receive a stone that you can enjoy and cherish for decades to come. If you are unable to find or select the diamond you want, we are more then happy to help you online or in our offices to make the right choice together with you.

Interested in larger sizes? Check out our popular sizes: 2 carat, 3 carat, 4 carat, 5 carat.