Rolf Hartmann
Mar 1, 2024
March 4, 2024
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Welcome to our synthetic diamond price guide, where we will explain synthetic diamonds, the difference between lab-grown and mined diamonds, how to find the best synthetic diamonds, how to save money on them, and finally, how to compare and list synthetic diamond prices. We will end our guide to synthetic diamond prices with our recommended places to buy lab-grown diamonds.
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So, how much do synthetic diamonds cost? It depends, is the answer. Diamond prices vary greatly depending on diamond quality and where it is purchased, and synthetic diamonds can range from $50 to hundreds of thousands of dollars, depending on size and quality (the diamond’s 4Cs).
On average, a 1-carat excellent quality synthetic diamond costs $800-$1000.
Prices rise in lockstep with the carat. Continue reading our synthetic diamond price guide, where we will list the prices of larger and smaller synthetic diamonds.
Prices for lab-grown diamonds have dropped dramatically over the last five years. According to our lab diamond price tracking, synthetic diamond prices have dropped by 20-30% in the previous year!
Even with the decreasing prices of synthetic diamonds, purchasing any diamond is a significant investment. 10 Tips to Save money on a Lab-Grown Diamond Engagement Ring
Guide to the best places to buy lab-grown diamonds
Our list of the best jewelers for lab-created engagement rings Where to get the best value for your money is critical. Understanding how to find the best lab-grown diamonds. That’s why we’ve created several guides to assist our readers.
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Prices for 1-carat synthetic diamonds range from $400 to $4000, depending on quality. A high-quality 1-carat synthetic diamond costs between $800 and $1,000, up to 60% less than a mined diamond!
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3 of the cheapest places to buy synthetic diamonds – homepage diamonds.backtoglamour.com –





But before we begin comparing synthetic diamond prices, we must first understand why lab diamond prices vary so much. So, to begin, we’ll define synthetic diamonds and explain how lab-grown diamonds are evaluated.
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What are synthetic diamonds?Understanding synthetic diamond pricesSynthetic diamond pricesWhy you should choose a synthetic diamondSustainable synthetic diamond prices
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Where to buy synthetic diamonds and synthetic diamond jewelryIn-depth synthetic diamond price guides
What are synthetic diamonds?
Diamonds created in a laboratory using advanced technology are known as synthetic diamonds. Synthetic diamonds are exactly the same as natural diamonds.
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Synthetic diamonds, also known as lab-grown, lab-created, or simply lab diamonds, are identical to mined diamonds. However, there are a few significant differences for the consumer.
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Synthetic diamonds are 60-80% cheaper than mined diamonds. That means you can save or buy better. Bigger diamonds with the same budget.
But there are more benefits to lab-grown diamonds.
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Lab diamonds are more:
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– Ethical and does not have the potential negative social impacts associated with mining, such as corruption, exploitation, or the economic export resource curse.
– More environmentally sustainable.
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Understanding synthetic diamond prices
The 4Cs are the first thing you should learn about lab-created diamonds. However, you can skip ahead if you are in a hurry or want to know how much you will have to pay for a synthetic diamond. We recommend starting with our easy-to-read guide to the 4Cs of synthetic diamonds.
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In short, the (synthetic) diamond 4Cs are:
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Diamond cut
Diamond clarity
Diamond color
Diamond carat
Consider these three things when shopping for a synthetic diamond if you need a quick diamond-buying refresher.
– You should first understand that diamonds are all about the sparkle, also known as brilliance or fire in the diamond industry. Diamonds are distinguished by their radiance. Always prioritize brilliance over size. For example, choose a 0.96-carat lab diamond over a 1.0-carat lab diamond. So, when determining the quality of a diamond using the 4Cs of diamond quality, prioritize the best cut possible, followed by color and clarity grades, and finally, carat weight. Even if you are purchasing a non-brilliant diamond shape, you should strive for a well-cut diamond. Avoiding round weights can save you a lot of money, and the best part is that no one will notice. A higher-quality lab diamond appears larger. – Quality is more important than quantity! So, if you only remember one thing, make it this: always go for the best diamond cut grade possible! Furthermore, a low-quality diamond will not appear to be a diamond! Buy a large brilliant-shaped diamond with poor brilliance instead. – If possible, choose a synthetic diamond with a weight slightly lower than the popular “round” weights.
Now that you understand why synthetic diamond costs fluctuate let’s compare pricing for various synthetic diamond carats. We regularly collect and update synthetic diamond prices from the leading online diamond jewelers.
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Using a reference diamond, we compare the pricing of synthetic diamonds. A round brilliant-cut lab-grown diamond with the 4C grades we suggest for most lab diamonds serves as the reference synthetic diamond. They are as follows:
Carat weights: 0.5 to 6.0 (plus-minus a little)
Cut grade: Excellent or Ideal (whichever is the best, depending on the laboratory)
Color grade: I-J
Clarity grade: VS1-VS2
Shape: Round Brilliant
Origin: Lab-created
Our reference diamond may not be the best for every jewelry necessity, but it is what we propose for the most common lab diamond jewelry demands. Just be careful not to reduce the diamond cut grade! Expect to pay more for higher-grade synthetic diamonds and less if you relax them.
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Synthetic diamond prices
The prices of synthetic diamonds from our top-rated diamond retailers are shown below. And, perhaps most importantly, they have the most affordable lab-grown diamond prices! They not only have the best inventory of high-quality diamonds, but they also provide the best shopping and customer service experiences. In our opinion, they are the best places to buy synthetic diamonds and diamond engagement rings.
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Prices for synthetic diamonds are accurate at the time of writing in 2024.
*Includes 100% sustainable synthetic diamonds.
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Why you should choose a synthetic diamond
To begin with, lab-grown diamonds are up to 60-80% less expensive than mined counterparts with identical diamond 4C grades. We monitor the market closely and are the first to know when diamond retailers announce specials or sales. And if you’re lucky, you might be able to save even more money during lab diamond sales.
However, it is not just the lower prices that make lab-created diamonds superior to mined diamonds. You can find out a lot more about it in the following articles: Have a positive impact on society. They are also more environmentally friendly.
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Why lab-grown diamonds are the sustainable, environmentally, and ethical diamond choice
What you need to know before buying a lab-grown diamond
Sustainable synthetic diamond prices
Compared to mined diamonds, synthetic diamonds are already the more sustainable and ethical diamond option. However, not all lab diamonds are created with or set in environmentally friendly materials. The average price for a sustainable 1-carat synthetic diamond is between $1200 and $2000. Expect to pay a 30-40% premium for 100% sustainable synthetic diamonds.
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Where to buy synthetic diamonds and synthetic diamond jewelry
We review lab-grown diamond sellers and jewelers at LabGrownCarats. In our lab diamond jeweler comparisons, we also compare the best lab diamond jewelers.
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In-depth synthetic diamond price guides
We compile and list prices for the most popular lab-grown diamond carat weights. Compare synthetic diamonds in our detailed guides below.
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Prices for a ½-carat lab diamond
Prices for a 3/4-carat lab diamond
Prices for a 1-carat lab diamond
Prices for a 1.5-carat lab diamond
Prices for a 2-carat lab diamond
Prices for a 3-carat lab diamond
Prices for a 4-carat lab diamond
Prices for a 5-carat lab diamond
Prices for a 6-carat lab diamond
Prices for a lab diamond engagement ring
Prices for lab diamond earrings
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I have decades of experience in the jewelry industry. I specialize in lab-grown diamonds and have followed their exciting development from industrial usage to the incredible gemstone quality they are today. I will personally guide you to the ideal diamond at the best price and provide expert, transparent reviews of top lab-grown diamond sellers. Know everything you need to know to find the perfect diamond.

















Helpful previews of all diamonds
When we compared prices for lab grown diamonds at each retailer, we looked at two things: the price range for all the lab grown diamonds and the individual costs for round and oval diamonds (the most popular shapes for engagement rings). For the round and oval diamond prices, we also limited our search to diamonds that were 1-2 carats, clarity levels VS1-F, colors F-D, and only ideal or astor ideal (the top two cut levels at Brilliant Earth) cuts. Here’s what we found:
” rating. Accreditation. For these reasons, it earns a full 5 stars in our review as a jeweler with a versatile selection and an ethical ethos you can stand behind.

Quiz helps you pick your diamond
Excellent quality every step of the way

If you’re looking for just the stone, you can use a sliding tab that allows you to see either lab grown or natural diamonds. If you’re looking to get a ring, Blue Nile allows you to start a “create your own ring” process using only lab grown diamonds, so you don’t have to worry about the selection getting mixed up. One of the best features of Blue Nile is that you can see the diamond from any angle with a real 360-degree photo of each gem. This way, you can see how the diamond catches the light before you put it in a setting.
Top scores for quality
Drawings instead of photos of diamonds
Newer website but top-notch feedback

The images show clear pictures of every diamond with 360-degree views of the gems if you mouse over them. Helpfully, the 360-degree view is offered on every jewelry item, not just loose diamonds, so whether you just want a lab grown diamond for another setting or you want to buy a wedding band, you can see every angle of your item before you purchase. If you click through, you’ll get to see the dimensions of the diamonds and a sliding scale that will show you what different carat sizes in that color and shape would look like on someone’s finger.
Currently, it holds an “A” rating and accreditation from the BBB. James Allen has also earned high praise on other third-party review sites like Trustpilot where it holds a 4.1-star average rating. According to reviews, James Allen has a top-notch return policy that made it simple to exchange something that didn’t work for a better diamond ring. Customers also loved the competitive pricing for diamond rings and the full GIA certification and report that was included with orders. Many reviewers left notes that they plan to shop with James Allen again in the future.
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6-star average rating. While the “F” score does keep it from being one of our top picks, the high quality of customer service, impressive list of diamond styles, and magnified photos make Vrai a great stop for your lab grown diamonds. Given these features and the high praise from reviewers, Vrai earns a solid rating in our review and a highlight as the option with the most diamond shapes.

You can find loose diamonds by doing a “build your own engagement ring” which allows you to search through different shapes and sizes. This can cause some back and forth during browsing that is less intuitive than some other retailers.
Reeds Jewelers holds an “A+” rating and accreditation with the Better Business Bureau, and it also holds a 4.5-star average rating out of 5 on Trustpilot. Recent reviews praise Reeds Jewelers for the low-pressure shopping environment, helpful photos of rings and lab grown diamonds, impressive shipping times, and high-quality final products. Many reviews praise particular team members at Reeds Jewelers.

Makes browsing easy
Concerns about timelines at Ritani

Not the most intuitive website
Low ratings for customer service

Shop by customizing a ring
Signet currently holds an “A+” rating and accreditation with the BBB. Now, on other third-party review sites, Jared is rated on its own, but the news isn’t great. Jared holds a 2.1-star average out of 5 on Trustpilot, where customers complained about the quality of the jewelry and lab grown diamonds in many of the reviews. There are also claims for overpriced items, issues using the warranty, and terrible customer service.
Helpful images to tell you what you are buying
Almost no positive reviews for Kay

A familiar browsing experience
No positive feedback for customer service

From the moment you contact our friendly team to the moment you leave with cash for your diamonds, your satisfaction is our top priority. Call us today. Book an appointment! Sell Diamonds.