The value of a one carat diamond engagement ring is more than the size of the diamond itself. A ring is valued based on the metal and style of the engagement ring, along with three other criteria of diamond grading.

The main factors for grading a diamond are known as ‘the 4C’s’: cut, clarity, colour, and carat. So, a 1 carat diamond ring with a diamond that features an excellent cut, flawless clarity and D-colour is worth more than a 2 carat diamond with a fair cut, a lower colour grade and a slightly included clarity.

When searching for your perfect diamond, you’ll be exploring a give and take between all 4C’s to find a diamond that will deliver the best quality within your price point and the design requirements of your diamond engagement ring.

Carat weight originated in ancient Mediterranean societies where people would trade diamonds based on their equivalent weight in Carob seeds. These days, carat weight is a universal measurement that is recognised around the world in reference to diamonds.

Unlike what you might think, carats refer to the weight of a diamond, not its size. A 1 carat diamond simply means 0.2 grams of diamond. In technical terms, we like to say that one carat is equal to 100 points, meaning that a diamond weighing 0.5 carats is 50 points.

Today, many people associate the value of a diamond ring with its carat weight, but a diamond’s mass is only one element we take into consideration when determining a diamond’s value. The larger the diamond does not always equal the best diamond.

If you’re making this investment, it’s important to know how to choose a quality diamond and a setting that your loved one will adore.

How much is a one carat diamond?

The value of a one carat diamond ring is dependent on the combination of the 4C’s, and the price can range anywhere from $2,000 to $20,000. This conveys the impact that colour, clarity, and cut have on a diamond’s value—not just carat weight.

Cost also depends on whether you would prefer a lab grown or a natural diamond. Daniel explains in the video below:


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