1 Carat Diamond Price

1 Carat Diamond
Photo: Anatoly Maslennikov / Adobe Stock
Whether you’re in the market for an engagement ring or jewelry for any other occasion, you’ll want to know the going rate of a diamond. To complement our series on the four Cs, we want to help all diamond buyers with a price guide. Without further ado, let’s take a look!

How Much Does a 1 Carat Diamond Cost?

In truth, this is a difficult question to answer and those who have read our four Cs guides will know why. If we start with a price range, a 1 carat diamond will cost between $2,500 and $16,000. Why such a wide range? Because it all depends on the quality of the cut, clarity, and color. We know the weight of the diamond in this question (1 Carat – 200 milligrams), but we don’t know about the other three Cs.

When you see a price online, this will be labelled as ‘price per carat’. Just because a diamond is listed as $1,500 per carat this doesn’t mean that you will pay $1,500. If the diamond is only 0.50 Carat, the price will be $750.

While lower quality diamonds will fall towards the lower end of our price range, the middle and good qualities will roam higher. Please feel free to check out our previous guides to learn more about how each of the four Cs impact price.

How Big Is a 1 Carat Diamond?

Generally speaking, a 1 Carat diamond measures 6.5mm with a 0.5 Carat diamond coming in at 5.2mm. With this in mind, the 0.5 Carat diamond might be half the weight, but this doesn’t also mean half the size. Of course, you will find diamonds that are both bigger and smaller than this but the measurement we’ve provided assumes ideal proportions on a round brilliant cut.

1 Carat Diamond Ring Price

We’ve seen the price of a 1 Carat diamond, but what about a ring? Again, it’s difficult to answer because it all depends on the diamond and the style of ring you choose. While some will choose a round brilliant cut, others will opt for oval, pear-shaped, cushion, princess, emerald, radiant, or something different altogether.

All in all, the pricing of diamonds and diamond rings is highly subjective, and this is why it’s important to do your research before spending any money. As we’ve mentioned before, you may actually save money by looking for a diamond that falls just under the 1 Carat weight. For example, there’s often discounts on 0.98 Carat diamond rings. As long as you stick with reputable dealers and look for the right certifications (something we’ll address in the future), you won’t go far wrong.

1 Carat Diamond Earrings Price

Not everybody is in the market for a diamond engagement ring, and this is why we’ve got a section for diamond earrings. The first thing we should note is the difference in price between having 1 Carat in each earring and 1 Carat across both. If you choose 1 Carat in one stone rather than in two, there will be a premium in terms of pricing because the larger diamonds are rarer. We don’t just mean you’ll pay double for two 1 Carat earrings; you could pay more than double because of the rarity and scarcity of larger gems.

According to The Diamond Pro, who compared the price of diamond stud earrings across four different vendors, the average price of a pair of diamond earrings with a combined weight of 1 Carat is around $2,500. Meanwhile, a set of diamond earrings with a total 0.5 Carat is $725; this shows the difference in price for larger stones.

Best Diamond Price Resources

When looking for diamond rings, earrings, or any other jewelry, there are a few resources we would recommend saving to the bookmarks in your internet browser. Firstly, the Washington Diamond calculator has been in operation since 2002 and has helped millions of people through the years. After entering the shape, carat, clarity, and color, it will tell you a good price for such a diamond; this will tell you whether you’re getting a good or bad deal with any potential purchase.

After this, Naturally Colored regularly updates its diamond pricing charts while Credit Donkey has an interesting guide on diamond prices. If you want to stick around, we highly recommend reading our other articles on diamonds too. We’ve got a buying guides, articles for the four Cs, and we have plenty more to come.


Thanks for reading, we hope you now have a better idea of carat diamond prices and how it all works. Feel free to browse our reliable website for more great content!